object memory allocation

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java

What will happen as a result of the following code? class A {} class B extends A {} public class Test { static public void main(String args[]) { B b = new B(); A a = b; if (a.hashCode() == b.hashCode()) System.out.print("Passed"); } }

object memory allocation

java

What happens when you try to compile and run this code: 00: public class Test { 01: public static void main(String[] args) { 02: Object obj = new String("String object"); 03: String str = (String) new Object(); 04: System.out.println(obj); 05: System.out.println(str); 06: } 07: }

object memory allocation

java

What will be printed by the following code? public class Test { static Boolean bo1 = new Boolean("true"); static Boolean bo2 = new Boolean(false); public static void main(String[] args) { Boolean bo3 = new Boolean(bo1); Boolean bo4 = new Boolean("bo2"); System.out.println(bo1.equals(bo3)); System.out.println(bo2.equals(bo4)); } }

object memory allocation

java

What will be the result of the following code: import java.util.*; public class Test { public static void main(String[] args) { Class c1 = new ArrayList<String>().getClass(); Class c2 = new ArrayList<Integer>().getClass(); System.out.println(c1 == c2); } }

object memory allocation