Determine output:public class Test{ public static void main(String args[]){ String str = null; if(str.length() == 0){ System.out.print("1"); } else if(str == null){ System.out.print("2"); } else{ System.out.print("3"); } }}

Java Programming Language MCQ String in Java

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Q: Determine output:

public class Test{
      public static void main(String args[]){
            String str = null;
            if(str.length() == 0){
                  System.out.print("1");
            }
            else if(str == null){
                  System.out.print("2");
            }
            else{
                  System.out.print("3");
            }
      }
}

A Compilation fails.
B "1" is printed.
C "2" is printed.
D An exception is thrown at runtime.
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Q: Determine output: public class Test{ public static void main(String args[]){ String str = null; if(str.length() == 0){ System.out.print("1"); } else if(str == null){ System.out.print("2"); } else{ System.out.print("3"); } } }

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Q: Determine output:
public class Test{ public static void main(String args[]){ String str = null; if(str.length() == 0){ System.out.print("1"); } else if(str == null){ System.out.print("2"); } else{ System.out.print("3"); } } }