Java Related Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Java Related Interview Questions

Questions Answers Views Company eMail

Java prints out a ton of digits when I system.out.println() a double. How can I format it so it displays only 3 digits after the decimal place?

1 942

What happens when you omit a brace or misspell one of the words, like public or

1 992

What java systems libraries and methods are available for me to use?

1 942

Why do I need to declare the type of a variable in java?

1 1184

Why does the integer quotient -0/3 yield 0, but the double quotient -0.0/3.0 yields – 0.0?

1 1137

What happens when I use / and % with a negative numerator?

1 1111

How do I print a “?

1 1076

What exactly is a .class file?

1 1115

What do you mean by platform independence?

1 1145

How do I get the | symbol on my keyboard?

1 1141

What is the base class of all classes?

1 1137

Can I use % with real numbers?

1 1107

Why is the type for real numbers called double?

1 1045

What is the element?

1 1134

What is servlet interface?

1 1313

Un-Answered Questions { Java Related }

Are jvm’s platform independent?

980

What is the first argument of the string array in main method?

1026

Can we return resultset in java?

990

How is declarative handling of exceptions done in struts ?

1001

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136

Can we extract main method from another class?

1029

Realized?

2257

What is difference between @controller and @restcontroller in spring?

541

What do you understand by casting in java language? What are the types of casting?

923

i want test pattern of zylog company and some examples also

2859

What is the java api?

991

What do you know about validation plugin ?

1026

Write a java program to find the route that connects between Red and Green Cells. General Rules for traversal 1. You can traverse from one cell to another vertically, horizontally or diagonally. 2. You cannot traverse through Black cells. 3. There should be only one Red and Green cell and at least one of each should be present. Otherwise the array is invalid. 4. You cannot revisit a cell that you have already traversed. 5. The maze need not be in the same as given in the above example

2659

What is the locale class?

1024

Is minecraft 1.15 out?

1042

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