JAVA Interfaces and Abstract Classes interface Test{ int p = 10; //line 1 public int q = 20; //line 2 public static int r = 30; //line 3 public static final int s = 40; //line 4}Which of the above line will give compilation error? 4 None of these 3 1 2 4 None of these 3 1 2 ANSWER DOWNLOAD EXAMIANS APP
JAVA Interfaces and Abstract Classes What will be the output?interface A{public void method();}class One{public void method(){System.out.println("Class One method");}}class Two extends One implements A{public void method(){System.out.println("Class Two method");}}public class Test extends Two{public static void main(String[] args){A a = new Two();a.method();}} will print Class One method None of these will print Class Two method Compilation Error compiles fine but print nothing will print Class One method None of these will print Class Two method Compilation Error compiles fine but print nothing ANSWER DOWNLOAD EXAMIANS APP
JAVA Interfaces and Abstract Classes What will happen after compiling this program code?abstract class MyClass{ //line 1 private int a, b; public void call(int a, int b){ this.a = a; this.b = b; System.out.print(a+b); }}public class Test{ public static void main(String args[]){ MyClass m = new MyClass(); //line 2 m.call(12,25); }} Compilation error due to line 2 Successful run and print 37 None of these Compilation error due to line 1 Runtime error Compilation error due to line 2 Successful run and print 37 None of these Compilation error due to line 1 Runtime error ANSWER DOWNLOAD EXAMIANS APP
JAVA Interfaces and Abstract Classes Which two of the following are legal declarations for abstract classes and interfaces?1. final abstract class Test {}2. public static interface Test {}3. final public class Test {}4. protected abstract class Test {}5. protected interface Test {}6. abstract public class Test {} 1 and 2 3 and 6 3 and 5 5 and 6 2 and 4 1 and 2 3 and 6 3 and 5 5 and 6 2 and 4 ANSWER DOWNLOAD EXAMIANS APP
JAVA Interfaces and Abstract Classes What is the output for the below code ?interface A{ public void printValue();}1. public class Test{2. public static void main (String[] args){3. A a1 = new A(){4. public void printValue(){5. System.out.println("A");6. }7. };8. a1.printValue();9. }10. } None of these Compilation fails due to an error on line 3 Compilation fails due to an error on line 8 A null None of these Compilation fails due to an error on line 3 Compilation fails due to an error on line 8 A null ANSWER DOWNLOAD EXAMIANS APP
JAVA Interfaces and Abstract Classes What will be the output?1. public interface InfA{2. protected String getName();3. }public class Test implements InfA{ public String getName(){ return "test-name"; } public static void main (String[] args){ Test t = new Test(); System.out.println(t.getName()); }} Compilation fails due to an error on lines 2 None of these Compilation succeed but Runtime Exception test-name Compilation fails due to an error on lines 1 Compilation fails due to an error on lines 2 None of these Compilation succeed but Runtime Exception test-name Compilation fails due to an error on lines 1 ANSWER DOWNLOAD EXAMIANS APP
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