Imocha Test Questions And Answers Pdf Patched May 2026

Answer: Explanation: A marker interface is an interface with no methods or fields. It simply tells the compiler to treat the objects of the class implementing it differently. Serializable and Cloneable are classic examples of marker interfaces in Java.

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Answer: Explanation: == compares reference (memory address). s1 is in the String pool, s2 is a new object in the heap. References are different, so false . .equals() compares content. Content is "Hello" for both, so true . Sample SQL Questions Q3. Which SQL keyword is used to retrieve only distinct (different) values? A) DIFFERENT B) UNIQUE C) DISTINCT D) SEPARATE imocha test questions and answers pdf

public class Test { public static void main(String[] args) { String s1 = "Hello"; String s2 = new String("Hello"); System.out.println(s1 == s2); System.out.println(s1.equals(s2)); } } A) true, false B) false, true C) true, true D) false, false Answer: Explanation: A marker interface is an interface

Answer: Explanation: Speed of the train relative to man = (125/10) m/sec = 12.5 m/sec. Convert m/sec to km/hr: 12.5 * (18/5) = 45 km/hr. Let the speed of the train be $x$ km/hr. Then, relative speed = $(x - 5)$ km/hr. Therefore, $x - 5 = 45$ implies $x = 50$ km/hr. References are different, so false

Answer: Explanation: The SELECT DISTINCT statement is used to return only distinct (different) values.