Java 将 0 更改为 1，反之亦然的最优雅方式
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Most elegant way to change 0 to 1 and vice versa
提问by Roman
What is the most elegant way to do the next stuff:
做下一件事情的最优雅的方式是什么：
int i = oneOrZero;
if (i == 0) {
i = 1;
} else {
i = 0;
}
You can assume that ican have only 1 or 0 value.
您可以假设i只能有 1 或 0 值。
采纳答案by Yuval Adam
回答by Jimmy
subtraction?
减法？
i = 1 - i;
回答by Chinmay Kanchi
i = (i == 0)?1:0is one way, though I like @Jimmy's and @Yuval's versions better.
i = (i == 0)?1:0是一种方式，尽管我更喜欢 @Jimmy 和 @Yuval 的版本。
回答by doc
Use bit xor
使用位异或
i ^= 1;
i ^= 1;
回答by Larry
i = ( i + 1 ) % 2, though I think we all agree the subtraction or xor method is better! (Though it has the added benefit of "flipping the switch" for more than binary.)
i = ( i + 1 ) % 2，虽然我认为我们都同意减法或异或方法更好！（虽然它具有“翻转开关”的额外好处，而不是二进制。）
回答by kirans346
int x = 0;
x=(int)Math.cos(x);
System.out.println("X value "+x);
