Java Every class in Java inherits from another class, even if there is no explic

ID: 3920089 • Letter: J

Question

Java

Every class in Java inherits from another class, even if there is no explicit extends clause.

Question 7 options:

True

False

Question 8

A subclass can call private methods from its superclass

Question 8 options:

True

False

Question 9

Does the following code show method overriding or method overloading?

public class A {public void echo(String s) { System.out.println(s);}} public class B extends A {public void echo(String s, int x) {for (int i=0; i}}}

Question 9 options:

overriding

overloading

Question 10

Which layout manager organizes components left-to-right and top-to-bottom, in the order that you add them?

Question 10 options:

OrderedLayout

FlowLayout

BorderLayout

DefaultLayout

True

False

Every class in Java inherits from another class, even if there is no explicit extends clause

True

A subclass can call private methods from its superclass.

False

Since subclass can call public or protect methods from its superclass.

public class A {public void echo(String s) { System.out.println(s);}} public class B extends A {public void echo(String s, int x) {for (int i=0; i}}}

Since same method name and different parameters so it is Overloading.

Option 2

10.

FlowLayout layout manager organizes components left-to-right and top-to-bottom, in the order that you add them.

Option 2

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