JAVA Interview Questions and Answers

+1 vote

What is a lightweight component?

asked May 12, 2021 in JAVA by rajeshsharma

+1 vote

is there is any difference between a Scrollbar and a ScrollPane?

asked May 12, 2021 in JAVA by rajeshsharma

+1 vote

What are peerless components?

asked May 12, 2021 in JAVA by rajeshsharma

+1 vote

Which containers use a FlowLayout as their default layout?

asked May 12, 2021 in JAVA by rajeshsharma

+1 vote

Which containers use a border layout as their default layout?

asked May 12, 2021 in JAVA by rajeshsharma

+3 votes

Write a Java program that prints all the values given at command-line.

asked May 12, 2021 in JAVA by rajeshsharma

+1 vote

What is a singleton class?

asked May 12, 2021 in JAVA by rajeshsharma

+1 vote

What comes to mind when someone mentions a shallow copy in Java?

asked May 12, 2021 in JAVA by rajeshsharma

+1 vote

What is the purpose of the System class?

asked May 12, 2021 in JAVA by rajeshsharma

+1 vote

What is the purpose of the strictfp keyword?

asked May 12, 2021 in JAVA by rajeshsharma

+1 vote

What is a native method?

asked May 12, 2021 in JAVA by rajeshsharma

+1 vote

What are the advantages and disadvantages of object cloning?

asked May 12, 2021 in JAVA by rajeshsharma

0 votes

What are autoboxing and unboxing? When does it occur?

asked May 7, 2021 in JAVA by sharadyadav1986

0 votes

What are wrapper classes?

asked May 7, 2021 in JAVA by sharadyadav1986

0 votes

Can you access the private method from outside the class?

asked May 7, 2021 in JAVA by sharadyadav1986

0 votes

What is the purpose of using javap?

asked May 7, 2021 in JAVA by sharadyadav1986

0 votes

What are the ways to instantiate the Class class?

asked May 7, 2021 in JAVA by sharadyadav1986

0 votes

What is the purpose of using java.lang.Class class?

asked May 7, 2021 in JAVA by sharadyadav1986

0 votes

How do I convert a numeric IP address like 192.18.97.39 into a hostname like java.sun.com?

asked May 7, 2021 in JAVA by sharadyadav1986

+1 vote

Write a program in Java to establish a connection between client and server?

asked May 7, 2021 in JAVA by sharadyadav1986

+1 vote

What are the steps that are followed when two computers connect through TCP?

asked May 7, 2021 in JAVA by sharadyadav1986

+1 vote

What is Socket?

asked May 7, 2021 in JAVA by sharadyadav1986

+1 vote

Give a brief description of Java socket programming?

asked May 7, 2021 in JAVA by sharadyadav1986

+1 vote

What is the difference between Serializable and Externalizable interface?

asked May 7, 2021 in JAVA by sharadyadav1986

+1 vote

What is Externalizable?

asked May 6, 2021 in JAVA by SakshiSharma

+1 vote

What is the transient keyword?

asked May 6, 2021 in JAVA by SakshiSharma

+1 vote

What is Deserialization?

asked May 6, 2021 in JAVA by SakshiSharma

+1 vote

Can a Serialized object be transferred via network?

asked May 6, 2021 in JAVA by SakshiSharma

+1 vote

How can you avoid serialization in child class if the base class is implementing the Serializable interface?

asked May 6, 2021 in JAVA by SakshiSharma

+2 votes

How can you make a class serializable in Java?

asked May 6, 2021 in JAVA by SakshiSharma

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