how many design pattern r there? and wht design pattern u use and why ?

5 Answers   HP,

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Can we place the any object to key attribute of HashMap<key,value>?

4 Answers   HCL,

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How to run a JAR file through command prompt?

0 Answers  

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How could Java classes direct program messages to the system console, but error messages, say to a file?

2 Answers  

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What is the use of predicate in java 8?

0 Answers  

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What is inner class?what is the use of inner class?where we create the object for inner class? and inner class can extend any class or inner class can implement any interface?

1 Answers   Wipro,

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What are encapsulation, inheritance and polymorphism?

0 Answers  

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What is the difference between declaration and definition in java?

0 Answers  

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What do you mean by JVM?

0 Answers   Ericsson,

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Why is multithreading important?

0 Answers  

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why is S capital in System.out.println ????

6 Answers  

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How do you break a loop?

0 Answers  

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