Java Java Copy File with 5 different ways

Here I describe five concise ways to copy file using java FileInputStream, NIO FileChannel class, Java 7 Files class, Guava API and Apache common IO. Read more

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Java 10 Could Bring Upgraded Lambdas

A new JEP proposes enhancements to lambda functionality, including better disambiguation, use of the underscore for unused parameters, and shadowing of outer variables. Although these changes would bring lambdas in Java closer to other languages', the com...

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Finding Number Complements Using Java

The problem Given a positive integer num, output its complement number. The complement strategy is to flip the bits of its binary representation. Example 1: Input: num = 5 Output: 2 Explanation: The binary representation of 5 is 101 (no leading zero bits)... (more…)

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