Java String Basic Board Questions

  1. The output of the statement "CONCENTRATION".indexOf('T') is: [ 1 MARK - 2024 ] 

    (a) 9			
(b) 7			
(c) 6		
(d) -1
    2. (c) 6
  2. The output of the function "COMPOSITION".substring(3,6) : [ 1 MARK - 2023 ]

    (a) POSI		
(b) POS		
(c) MPO	
(d) MPOS
    3. (b) POS
  3. What will be the output of the following code ? [ 1 MARK - 2022 ]
    System.out.println(“Lucknow”.substring(0,4));

    (a) Lucknow	
(b) Luckn		
(c) Luck	
(d) luck
    4. (c) Luck
  4. Write the output for the following : [ 2 MARKS - 2020 ]

    System.out.println("A picture is worth \t \" A thousand words. \"");

    5. A picture is worth 	 " A thousand words. "
  5. Write the output for the following : [ 2 MARKS - 2020 ]

    String s1 = "Life is Beautiful";
System.out.println("Earth" + s1.substring(4));
System.out.println(s1.endsWith("L"));
    6. Earth is Beautiful
    false