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LEARNING JAVA
2 followers study24x7 11 Aug 2023 12:46 PM study24x7 study24x7

What is the purpose of the try-catch block in Java?

A

It is used to define a loop construct for iterating over collections.

B

It indicates a block of code that will always be executed, regardless of exceptions.

C

It defines a section of code where exceptions can be caught and handled.

D

It is used to create new instances of classes.

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LEARNING JAVA
2 followers study24x7 11 Aug 2023 12:40 PM study24x7 study24x7

What is the purpose of the static keyword in Java?

A

It indicates that a variable is an instance variable.

B

It allows a method to be overridden in a subclass.

C

It creates an object of the class.

D

It denotes that a variable or method belongs to the class, not instances of the class.

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LEARNING JAVA
2 followers study24x7 11 Aug 2023 12:28 PM study24x7 study24x7

Which of the following statements about the Java Virtual Machine (JVM) is true?

A

JVM directly executes Java source code.

B

JVM converts Java bytecode into machine code.

C

JVM is responsible for compiling Java source code.

D

JVM is a hardware component of the computer.

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LEARNING JAVA
2 followers study24x7 11 Aug 2023 12:19 PM study24x7 study24x7

which of the following is/are correct related to the method overloading and overriding in java?

A

Method overloading is when a subclass provides a specific implementation of a method defined in its superclass.

B

Method overloading occurs when a class provides multiple methods with the same name but different parameters.

C

Method overriding occurs when a subclass provides a specific implementation of a method defined in its superclass.

D

Method overriding is the process of creating multiple methods with the same name and the same parameters in a class.

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LEARNING JAVA
2 followers study24x7 11 Aug 2023 12:14 PM study24x7 study24x7

In Java, which of the following accurately describes the purpose of the final keyword when applied to a class member variable?

A

The variable's value cannot be changed after initialization.

B

The variable can only be accessed within the class that defines it.

C

The variable's value is automatically assigned by the compiler.

D

The variable can be accessed and modified by any class.

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