java 运算符总结_Java运算符总结

阳光穿透心脏的1/2处 2022-11-07 15:57 118阅读 0赞

下面这个例子向大家展示了如何随同特定的运算符使用主数据类型。从根本上说，它是同一个例子反反复复地执行，只是使用了不同的主数据类型。文件编译时不会报错，因为那些会导致错误的行已用//!变成了注释内容。

//: AllOps.java

// Tests all the operators on all the

// primitive data types to show which

// ones are accepted by the Java compiler.

class AllOps \{

// To accept the results of a boolean test:

void f(boolean b) \{\}

void boolTest(boolean x, boolean y) \{

// Arithmetic operators:

//! x = x \* y;

//! x = x / y;

//! x = x % y;

//! x = x + y;

//! x = x - y;

//! x++;

//! x--;

//! x = +y;

//! x = -y;

// Relational and logical:

//! f(x > y);

//! f(x >= y);

//! f(x <

y);

//! f(x < = y);

f(x == y);

f(x != y);

f(!y);

x = x && y;

x = x || y;

// Bitwise operators:

//! x = ~y;

x = x & y;

x = x | y;

x = x ^ y;

//! x = x < <

//! x = x >> 1;

//! x = x >>> 1;

// Compound assignment:

//! x += y;

//! x -= y;

//! x \*= y;

//! x /= y;

//! x %= y;

//! x < < = 1;

//! x >>= 1;

//! x >>>= 1;

x &= y;

x ^= y;

x |= y;

// Casting:

//! char c = (char)x;

//! byte B = (byte)x;

//! short s = (short)x;

//! int i = (int)x;

//! long l = (long)x;

//! float f = (float)x;

//! double d = (double)x;

void charTest(char x, char y) \{

// Arithmetic operators:

x = (char)(x \* y);

x = (char)(x / y);

x = (char)(x % y);

x = (char)(x + y);

x = (char)(x - y);

x++;

x--;

x = (char)+y;

x = (char)-y;

// Relational and logical:

f(x > y);

f(x >= y);

f(x <

y);

f(x < = y);

f(x == y);

f(x != y);

//! f(!x);

//! f(x && y);

//! f(x || y);

// Bitwise operators:

x= (char)~y;

x = (char)(x & y);

= (char)(x | y);

x = (char)(x ^ y);

x = (char)(x < <

1);

x = (char)(x >> 1);

x = (char)(x >>> 1);

// Compound assignment:

x += y;

x -= y;

x \*= y;

x /= y;

x %= y;

x < < = 1;

x >>= 1;

x >>>= 1;

x &= y;

x ^= y;

x |= y;

// Casting:

//! boolean b = (boolean)x;

byte B = (byte)x;

short s = (short)x;

int i = (int)x;

long l = (long)x;

float f = (float)x;

double d = (double)x;

void byteTest(byte x, byte y) \{

// Arithmetic operators:

x = (byte)(x\* y);

x = (byte)(x / y);

x = (byte)(x % y);

x = (byte)(x + y);

x = (byte)(x - y);

x++;

x--;

x = (byte)+ y;

x = (byte)- y;

// Relational and logical:

f(x > y);

f(x >= y);

f(x <

y);

f(x < = y);

f(x == y);

f(x != y);

//! f(!x);

//! f(x && y);

//! f(x || y);

// Bitwise operators:

x = (byte)~y;

x = (byte)(x & y);

x = (byte)(x | y);

x = (byte)(x ^ y);

x = (byte)(x < <

1);

x = (byte)(x >> 1);

x = (byte)(x >>> 1);

// Compound assignment:

x += y;

x -= y;

x \*= y;

x /= y;

x %= y;

x < < = 1;

x >>= 1;

x >>>= 1;

x &= y;

x ^= y;

x |= y;

// Casting:

//! boolean b = (boolean)x;

char c = (char)x;

short s = (short)x;

int i = (int)x;

long l = (long)x;

float f = (float)x;

double d = (double)x;

void shortTest(short x, short y) \{

// Arithmetic operators:

x = (short)(x \* y);

x = (short)(x / y);

x = (short)(x % y);

x = (short)(x + y);

x = (short)(x - y);

x++;

x--;

x = (short)+y;

x = (short)-y;

// Relational and logical:

f(x > y);

f(x >= y);

f(x <

y);

f(x < = y);

f(x == y);

f(x != y);

//! f(!x);

//! f(x && y);

//! f(x || y);

// Bitwise operators:

x = (short)~y;

x = (short)(x & y);

x = (short)(x | y);

x = (short)(x ^ y);

x = (short)(x < <

1);

x = (short)(x >> 1);

x = (short)(x >>> 1);

// Compound assignment:

x += y;

x -= y;

x \*= y;

x /= y;

x %= y;

x < < = 1;

x >>= 1;

x >>>= 1;

x &= y;

x ^= y;

x |= y;

// Casting:

//! boolean b = (boolean)x;

char c = (char)x;

byte B = (byte)x;

int i = (int)x;

long l = (long)x;

float f = (float)x;

double d = (double)x;

void intTest(int x, int y) \{

// Arithmetic operators:

x = x \* y;

x = x / y;

x = x % y;

x = x + y;

x = x - y;

x++;

x--;

x = +y;

x = -y;

// Relational and logical:

f(x > y);

f(x >= y);

f(x <

y);

f(x < = y);

f(x == y);

f(x != y);

//! f(!x);

//! f(x && y);

//! f(x || y);

// Bitwise operators:

x = ~y;

x = x & y;

x = x | y;

x = x ^ y;

x = x < <

x = x >> 1;

x = x >>> 1;

// Compound assignment:

x += y;

x -= y;

x \*= y;

x /= y;

x %= y;

x < < = 1;

x >>= 1;

x >>>= 1;

x &= y;

x ^= y;

x |= y;

// Casting:

//! boolean b = (boolean)x;

char c = (char)x;

byte B = (byte)x;

short s = (short)x;

long l = (long)x;

float f = (float)x;

double d = (double)x;

void longTest(long x, long y) \{

// Arithmetic operators:

x = x \* y;

x = x / y;

x = x % y;

x = x + y;

x = x - y;

x++;

x--;

x = +y;

x = -y;

// Relational and logical:

f(x > y);

f(x >= y);

f(x <

y);

f(x < = y);

f(x == y);

f(x != y);

//! f(!x);

//! f(x && y);

//! f(x || y);

// Bitwise operators:

x = ~y;

x = x & y;

x = x | y;

x = x ^ y;

x = x < <

x = x >> 1;

x = x >>> 1;

// Compound assignment:

x += y;

x -= y;

x \*= y;

x /= y;

x %= y;

x < < = 1;

x >>= 1;

x >>>= 1;

x &= y;

x ^= y;

x |= y;

// Casting:

//!

java 运算符总结_Java运算符总结

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