How to create a sub array from another array in Java?

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You can use

JDK > 1.5

Arrays.copyOfRange(Object[] src, int from, int to)

Javadoc

JDK <= 1.5

System.arraycopy(Object[] src, int srcStartIndex, Object[] dest, int dstStartIndex, int lengthOfCopiedIndices);

Javadoc

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