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PrimitivesAndObjects.java

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public class PrimitivesAndObjects {

private static final java.util.Random rand = new java.util.Random();

public static void main(String[] args) {

int max;

for(int i=0;i<10;i++) {

max=10240000+i;

System.gc();

long start = System.currentTimeMillis();

Long[] variable = new Long[max];

for(int j=0;j<max;j++) {

variable[j]=666L;

}

System.out.println(variable[rand.nextInt(max)]);

System.out.println("Long: " + (System.currentTimeMillis()-start) + "(ms)");

System.gc();

start = System.currentTimeMillis();

long[] variable2 = new long[max];

for(int j=0;j<max;j++) {

variable2[j]=666L;

}

System.out.println(variable2[rand.nextInt(max)]);

System.out.println("long: " + (System.currentTimeMillis()-start) + "(ms)");

System.gc();

}