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System.out.println(i>>4 == 0);
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int m = 0;
int i = 7;
int k = 8;
int l = -1;
int j = 16;
System.out.println(m>>4 == 0);
System.out.println(i>>4 == 0);
System.out.println(k>>4 == 0);
System.out.println(l>>4 == 0)