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Alllocate and release memory
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//'main' method must be in a class 'Rextester'. //Compiler version 1.8.0_111 import java.util.*; import java.lang.*; class Rextester { public static void main(String args[]) { System.out.println("Hello, World!"); int [] a ={2, 2, 2}; int [] b ={2, 2, 2}; int [] c = new int [3]; System.out.println(Arrays.toString (a)); System.out.println(Arrays.toString (b)); System.out.println(Arrays.toString (c)); for (int I=0; I <3; I++){ c [I]=a [I]*b [I]; } System.out.println(Arrays.toString (c)); a=null; b=null; c=null; System.out.println(Arrays.toString (a)); System.out.println(Arrays.toString (b)); System.out.println(Arrays.toString (c)); } }
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Compilation time: 0.94 sec, absolute running time: 0.18 sec, cpu time: 0.2 sec, memory peak: 18 Mb, absolute service time: 1,13 sec
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Hello, World! [2, 2, 2] [2, 2, 2] [0, 0, 0] [4, 4, 4] null null null