Integer pool sample
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public class Main {
public static void main(String[] args) {
Integer i1 = 127;
Integer[] arr1 = {
127,
100 + 27,
Integer.parseInt("127"),
Integer.valueOf("127")
};
Integer i2 = 128;
Integer[] arr2 = {
128,
100 + 28,
Integer.parseInt("128"),
Integer.valueOf("128")
};
System.out.println("arr1:");
for (int i = 0; i < arr1.length; i++) {
System.out.print((i1 == arr1[i]) + " ");
}
System.out.println("\narr2:");
for (int i = 0; i < arr2.length; i++) {
System.out.print((i2 == arr2[i]) + " ");
}
}
}
Java
INFO