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public class Calculator {
public static int x; // static (class) field
public int y; // instance field
public static int add(int a, int b) { // static (class) method
return a + b;
}
public static int subtract(int a, int b) { // static (class) method
return a - b;
}
public static double convertFromC2F(double cTemp) { // static (class) method
return cTemp*180/100 + 32.0;
}
public void setY(int y) { // instance method
this.y = y;
}
public int getXxY() { // instance method
return x * y;
}
// public static int getXxY2() {
// return x * y;
// }
}
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