package examples;
public class Chapter3Ops {
public static void main(String args[]) {
int x = 4, y = 2, z = 1;
print("____________________________");
print("x = 4, y = 2, and z = 1"
+ "\nso when you calculate "
+ "x * (y + z)"
+ "the result is "
+ (x * (y + z)));
print("x = 4, y = 2, and z = 1"
+ "\nso when you calculate"
+ " (x * y) + z the result is "
+ ((x * y) + z));
int x1 = 0;
print("____________________________");
print("if we call Math.cos(x) when x = 0 "
+ "using the member"
+ "selection\nwe can "
+ "invoke method "
+ "cos of the Math class, "
+ "the result is "
+ Math.cos(x1));
int x2 = 4, y1 = 2;
print("____________________________");
print("if we call Math.pow(x,y) "
+ "when x = 4 "
+ "and y = 2 using the "
+ "separation"
+ "\nwe can invoke method "
+ "pow of the Math class,"
+ "the result is " + Math.pow(x2, y1));
int x3 = 0;
print("____________________________");
print("x = 0 but x++ = "
+ x3++);
print("after x++, x = "
+ x3);
int x4 = 0;
print("____________________________");
print("x = 0 but x-- = "
+ x4--);
print("after x--, x = "
+ x4);
int x5 = 0;
print("____________________________");
print("x = 0 but ++x = "
+ ++x5);
print("after ++x, x = "
+ x5);
int x6 = 0;
print("____________________________");
print("x = 0 but --x = "
+ --x6);
print("after --x, x = "
+ x6);
int x19 = 4;
print("____________________________");
print("x = 4 but +x = "
+ (+x19));
int x18 = 4;
print("____________________________");
print("x = 4 but -x = "
+ (-x18));
int x17 = 4, y12 = 2;
print("____________________________");
print("x = 4 and y = 2\nso x * y = "
+ (x17 * y12));
int x16 = 4, y11 = 2;
print("____________________________");
print("x = 4 and y = 2\nso x / y = "
+ (x16 / y11));
int x15 = 4, y10 = 2;
print("____________________________");
print("x = 4 and y = 2"
+ "\nso x % y = " + (x15 % y10));
int x14 = 4, y9 = 2;
print("____________________________");
print("x = 4 and y = 2"
+ "\nso x + y = "
+ (x14 + y9));
int x13 = 4, y8 = 2;
print("____________________________");
print("x = 4 and y = 2"
+ "\nso x - y = "
+ (x13 - y8));
int x12 = 4, y7 = 2;
print("____________________________");
print("x = 4, y = 2\nso x = y "
+ "makes x equal to "
+ (x12 = y7));
int x11 = 4, y6 = 2;
print("____________________________");
print("x = 4 and y = 2\nso x += y makes"
+ "x equal to " + (x11 += y6));
int x10 = 4, y5 = 2;
print("____________________________");
print("x = 4 and y = 2"
+ "\nso x -= y "
+ "makes x equal to "
+ (x10 -= y5));
int x9 = 4, y4 = 2;
print("____________________________");
print("x = 4 and y = 2"
+ "\nso x *= y makes "
+ "x equal to "
+ (x9 *= y4));
int x8 = 4, y3 = 2;
print("____________________________");
print("x = 4 and y = 2"
+ "\nso x /= y makes x equal to "
+ (x8 /= y3));
int x7 = 4, y2 = 2;
print("____________________________");
print("x = 4 and y = 2\n"
+ "so x %= y makes x equal to "
+ (x7 %= y2));
}
public static void print(Object o) {
System.out.println(o);
}
}