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  1. public class Main {
  2.      public static void testFun(String str) {
  3.          if (str == null || str.length() == 0) {
  4.              System.out.println("String is empty");
  5.          } else { 
  6.              System.out.println("String is not empty");
  7.          }
  8.      }
  9.      public static void main(String [] args) {
  10.          testFun(null);
  11.     }
  12. }
Success #stdin #stdout 0.06s 215488KB
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stdin
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Standard input is empty
stdout
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String is empty
https://ideone.com/pRrB3
language:
Java (12.0.1)
created:
11 years ago
visibility:
public

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