├── README.md ├── StringImp.java ├── StringImp2.java ├── Student1.java ├── add_1.java ├── add_2.java ├── arithmetic.java ├── hello.class ├── hello.java ├── ifexam.java ├── java_y ├── java_yy ├── narrowcastex.java ├── nestedif.java ├── stiudentinfo.java ├── strcomparision.java ├── strcon2.java ├── stringB.java ├── strlenchar.java ├── studyTonight.java ├── sub.java ├── sub2.java ├── switchcase.java ├── typecast.java ├── typecon.java └── welcome.java /README.md: -------------------------------------------------------------------------------- 1 | java is an object oriented language 2 | -------------------------------------------------------------------------------- /StringImp.java: -------------------------------------------------------------------------------- 1 | class StringImp 2 | { 3 | public static void main(String args[]) 4 | { 5 | String str1="hello"; 6 | String str2=new String(str1); 7 | System.out.println("string1 is :"+str1); 8 | System.out.println("string2 is :"+str2); 9 | } 10 | } -------------------------------------------------------------------------------- /StringImp2.java: -------------------------------------------------------------------------------- 1 | class StringImp2 2 | { 3 | public static void main(String args[]) 4 | { 5 | String str1="hello"; 6 | String str2=new String(str1); 7 | System.out.println("string1 is :"+str1); 8 | System.out.println("string2 is :"+str2); 9 | str2=str1.concat("world"); 10 | System.out.println("string1 is:"+str1); 11 | System.out.println("string2 is :"+str2); 12 | 13 | } 14 | } -------------------------------------------------------------------------------- /Student1.java: -------------------------------------------------------------------------------- 1 | //scanner 2 | import java.util.Scanner; 3 | class Student1 4 | { 5 | public static void main(Strings[] args) 6 | { 7 | Scanner sc=new Scanner(System.in); 8 | System.out.println("enetr two numbers"); 9 | int a=sc.nextInt(); 10 | int b=sc.nextInt(); 11 | System.out.println("addition:"+(a+b)); 12 | } 13 | } -------------------------------------------------------------------------------- /add_1.java: -------------------------------------------------------------------------------- 1 | import java.util.*; 2 | class ADD 3 | { 4 | public static void main(String[] args) 5 | { 6 | Scanner sc=new Scanner(System.in); 7 | System.out.println("enter values of a and b:"); 8 | int a=sc.nextInt(); 9 | int b=sc.nextInt(); 10 | System.out.println("addition of "+a+" + "+b+" is "+(a+b)); 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /add_2.java: -------------------------------------------------------------------------------- 1 | class add_2 2 | { 3 | public static void main(String args[]) 4 | { 5 | //System.out.println("display" +ar[1]); 6 | int a=Integer.parseInt(args[0]); 7 | int b=Integer.parseInt(args[2]); 8 | System.out .println("result is :"+(a+b)); 9 | } 10 | } -------------------------------------------------------------------------------- /arithmetic.java: -------------------------------------------------------------------------------- 1 | import java.util.*; 2 | class add_1 3 | { 4 | public static void main(String args[]) 5 | { 6 | Scanner sc=new Scanner(System.in); 7 | System.out.println("enter values of a and b"); 8 | int a=sc.nextInt(); 9 | int b=sc.nextInt(); 10 | System.out.println(a+"+"+b+"is" +(a+b)); 11 | System.out.println(a+"-"+b+"is" +(a-b)); 12 | System.out.println(a+"*"+b+"is" +(a*b)); 13 | System.out.println(a+"/"+b+"is" +(a/b)); 14 | } 15 | } -------------------------------------------------------------------------------- /hello.class: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Swapnikavinukonda/java_files/d9fce9cd65a0e250c98f9b2d3cc821112f4412b7/hello.class -------------------------------------------------------------------------------- /hello.java: -------------------------------------------------------------------------------- 1 | class hello 2 | { 3 | public static void main(String a[]) 4 | { 5 | System.out.print("hello world"); 6 | } 7 | } -------------------------------------------------------------------------------- /ifexam.java: -------------------------------------------------------------------------------- 1 | class ifexam 2 | { 3 | public static void main(String[]args) 4 | { 5 | int marks=50; 6 | if(marks<40) 7 | { 8 | System.out.println("you failed"); 9 | } 10 | else 11 | { 12 | System.out.println("you passed"); 13 | } 14 | } 15 | } -------------------------------------------------------------------------------- /java_y: -------------------------------------------------------------------------------- 1 | swapnika 2 | -------------------------------------------------------------------------------- /java_yy: -------------------------------------------------------------------------------- 1 | partha sarashi 2 | -------------------------------------------------------------------------------- /narrowcastex.java: -------------------------------------------------------------------------------- 1 | public class narrowcastex 2 | { 3 | public static void main(String[]args) 4 | { 5 | float marks=10.0,sub=15.0; 6 | int dmarks=(int)marks; 7 | int submarks=(int)sub; 8 | System.out.println(marks); 9 | System.out.println(dmarks); 10 | System.out.println(submarks); 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /nestedif.java: -------------------------------------------------------------------------------- 1 | import java.util.*; 2 | public class nestedif 3 | { 4 | public static void main(String[]args) 5 | { 6 | Scanner sc=new Scanner(System.in); 7 | System.out.println("enetr your fav iconic character"); 8 | String act=sc.nextLine(); 9 | if(act.equals("iron man")) 10 | { 11 | System.out.println("great choice"); 12 | System.out.println("enter"+act+"real name"); 13 | String reall=sc.nextLine(); 14 | if(reall.equalsIgnoreCase("tony start")) 15 | { 16 | System.out.println("cool actor"); 17 | } 18 | } 19 | else 20 | { 21 | System.out.println(act); 22 | } 23 | sc.close(); 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /stiudentinfo.java: -------------------------------------------------------------------------------- 1 | public class stiudentinfo 2 | { 3 | public static void main(String[]args) 4 | { 5 | Student s=new Studenr("swapnikia","7117"); 6 | s.display(); 7 | } 8 | } 9 | class Student 10 | { 11 | string nam,rno; 12 | Student(String name,String rno) 13 | { 14 | nam=name; 15 | rn=rno; 16 | } 17 | public void display() 18 | { 19 | System.out,println("welcome %s rno is % \n"nam,rn) 20 | } 21 | } 22 | } 23 | 24 | -------------------------------------------------------------------------------- /strcomparision.java: -------------------------------------------------------------------------------- 1 | import java.util.Scanner; 2 | class strcomparision 3 | { 4 | public static void main(String args[]) 5 | { 6 | Scanner sc=new Scanner(System.in); 7 | System.out.println("enter your subject"); 8 | String subj=sc.next(); 9 | String sch=new String("python"); 10 | if(subj.equals("java")) 11 | { 12 | System.out.println("patience is needed"); 13 | } 14 | else { 15 | System.out.println("dont waste time"); 16 | } 17 | } 18 | } -------------------------------------------------------------------------------- /strcon2.java: -------------------------------------------------------------------------------- 1 | class strcon2 2 | { 3 | public static void main(String []args) 4 | { 5 | String s1="swapnika"; 6 | String s2="swathika"; 7 | System.out.println(s1+s2); 8 | } 9 | } 10 | -------------------------------------------------------------------------------- /stringB.java: -------------------------------------------------------------------------------- 1 | class stringB 2 | { 3 | public static void main(String [] args) 4 | { 5 | StringBuffer sb=new StringBuffer("study"); 6 | System.out.println(sb); 7 | sb.append("toningt"); 8 | System.out.println(sb); 9 | } 10 | } -------------------------------------------------------------------------------- /strlenchar.java: -------------------------------------------------------------------------------- 1 | class strlenchar 2 | { 3 | public static void main(String []args) 4 | { 5 | String s1="swapnika"; 6 | String s2="swathika"; 7 | System.out.println(s1+s2); 8 | System.out.println(s1.charAt(1)); 9 | System.out.println(s1.length()); 10 | } 11 | } 12 | -------------------------------------------------------------------------------- /studyTonight.java: -------------------------------------------------------------------------------- 1 | public class studyTonight 2 | { 3 | public static void main(String [] args) 4 | { 5 | String str="Tonight"; 6 | System.out.println(str.indexOf('u')); 7 | System.out.println(str.indexOf('t',3)); 8 | String subString="Ton"; 9 | System.out.println(str.indexOf(subString)); 10 | System.out.println(str.indexOf(subString,7)); 11 | } 12 | } -------------------------------------------------------------------------------- /sub.java: -------------------------------------------------------------------------------- 1 | class sub 2 | { 3 | public static void main(String [] args) 4 | { 5 | int a=Integer.parseInt(args[0]); 6 | int b=Integer.parseInt(args[1]); 7 | System.out.println("subraction of "+a+" - "+b+" is" +(a-b)); 8 | } 9 | } 10 | -------------------------------------------------------------------------------- /sub2.java: -------------------------------------------------------------------------------- 1 | import java.util.*; 2 | class sub2 3 | { 4 | public static void main(String[] args) 5 | { 6 | Scanner sc=new Scanner(System.in); 7 | System.out.println("enter values of a and b:"); 8 | int a=sc.nextInt(); 9 | int b=sc.nextInt(); 10 | System.out.println("subtraction of "+a+" - "+b+" is "+(a-b)); 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /switchcase.java: -------------------------------------------------------------------------------- 1 | import java.util.*; 2 | public class switchcase 3 | { 4 | public static void main(String[]args) 5 | { 6 | int a=8,b=8; 7 | Scanner sc=new Scanner(System.in); 8 | System.out.println("******"); 9 | System.out.println("*ARITHMETIC OPERATIONS"); 10 | System.out.println("1.ADD"); 11 | System.out.println("2.SUB"); 12 | System.out.println("3.MUL"); 13 | System.out.println("4.DIV"); 14 | System.out.println("ENETR YOUR CHOICE"); 15 | int ch=sc.nextInt(); 16 | switch(ch) 17 | { 18 | case 1-> System.out.println("addition is"+(a+b)); 19 | case 2-> System.out.println("subtraction is"+(a-b)); 20 | case 3-> System.out.println("multiplication is"+(a*b)); 21 | case 4-> System.out.println("addition is"+(a/b)); 22 | default->System.out.println("give proper option"); 23 | } 24 | sc.close(); 25 | } 26 | } -------------------------------------------------------------------------------- /typecast.java: -------------------------------------------------------------------------------- 1 | public class typecon 2 | { 3 | public static void main(Strings[]args) 4 | { 5 | int rno=117; 6 | double rnn=rno; 7 | system.out.println(rno); 8 | system.out.println(rnn); 9 | } 10 | } -------------------------------------------------------------------------------- /typecon.java: -------------------------------------------------------------------------------- 1 | public class typecon 2 | { 3 | public static void main(String []args) 4 | { 5 | int rno=117; 6 | double rnn=rno; 7 | System.out.println(rno); 8 | System.out.println(rnn); 9 | } 10 | } -------------------------------------------------------------------------------- /welcome.java: -------------------------------------------------------------------------------- 1 | class welcome 2 | { 3 | public static void main(String[]args) 4 | { 5 | System.out.println("hello java"); 6 | } 7 | } 8 | --------------------------------------------------------------------------------