public class Matrix2x2 private int new int public Matrix2x2 for int fo

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public class Matrix2x2 {
private int[][]a = new int[2][2];
public Matrix2x2() {
for (int i = 0; i < 2; i++) {
for (int j = 0; j < 2; j++) {
a[i][j] = 0;
}
}
}
}