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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		static String s1,s2,s3,s4;
  13.  
  14.       s1 = new String("CAT");
  15.       s2 = new String("DOG");
  16.       s3 = new String("RAT");
  17.       animal(s1,s2);
  18.       System.out.println(mixThem(s2,s3));
  19.  
  20.    } //main
  21.    private static void animal (String a1, String a2) {
  22.       if(a1.equals(a2))
  23.          System.out.println(a1);
  24.       else
  25.          System.out.println(a2);
  26.    }
  27.    private static String mixThem (String b1, String b2){
  28.       String c1 = b1;
  29.       b1 = b2;
  30.       b2 = new String ("HAT");
  31.       System.out.println(b1);
  32.       System.out.println(b2);
  33.       System.out.println(c1);
  34.       System.out.println(s2);
  35.  
  36.      return b2;// your code goes here
  37. 	}
  38. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
Main.java:12: error: illegal start of expression
		static String s1,s2,s3,s4;
		^
1 error
stdout
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Standard output is empty
https://ideone.com/DwI44l
language:
Java (12.0.1)
created:
9 years ago
visibility:
public

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