What are controls and their different types in awt?

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Why do we need hashmap in java?

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Is it possible to use Semaphore/ Mutex in an Interrupt Handler?

0 Answers   Ciena,

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What is linkedlist in java?

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Can a class have a static inner class?

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What is the difference between Synchronizing mehtod & Synchronizing block?

2 Answers  

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What is difference overloading and overriding?

0 Answers   Cyient,

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Is it possible to write JAVA program without including any of the packages,such as "import java.io.*"; bcoz I instantly wrote a code without "import..." statement and runned the program on command Line & it worked. the code is: class Person { String name; int age; Person(String s,int a) { name = s; age = a; } accept() { System.out.println(name+"Hi!!!!!"); System.out.println(age); } } class Demo { public static void main(Strings args[])throws IOException { String name = args[0]; int age = Integer.parseInt(args[1]); Person p = new Person(name,age); p.accept(); } }

3 Answers  

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Java run-time system generates What class of exceptions?

2 Answers   TCS,

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What is the difference between integer parseint and integer valueof?

0 Answers  

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how system.out.println() works?

2 Answers  

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Difference between comparator and comparable in java?

0 Answers  

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