How do you check if a string is lexicographically in java?

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How long will it take to learn java?

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What is the reason behind using constructors and destructors?

0 Answers   HCL,

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I want to control database connections in my program and want that only one thread should be able to make database connection at a time. How can I implement this logic?

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In which language java is written?

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Can a function return a function?

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What do you mean by compiler?

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i don't want fullforms of JDK an JVM i want definitions for them

2 Answers  

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What is double in java?

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Give few difference between constructor and method?

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Why do we need main method to execute a java program?

1 Answers   Virtusa,

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What is skeleton and stub? What is the purpose of those?

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