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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 operators {
  9. public static void main(String args[]){
  10. public void display() {
  11. double a,b;
  12. a=3.0;
  13. b=4.0;
  14. double c=Math.sqrt(a*a+b*b);
  15. System.out.println(c);
  16. }
  17. }
  18. }
  19.  
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
Main.java:10: error: illegal start of expression
public void display() {
^
Main.java:10: error: illegal start of expression
public void display() {
       ^
Main.java:10: error: ';' expected
public void display() {
                   ^
3 errors
stdout
Standard output is empty