== > 這個>是起什么作用的
? ? ? ? three=one+tuo;
? ? System.out.println("three=one+two ==>"+three);
? ? ? ? three +=one;
? ? System.out.println("three +=one ==>"+three);
? ? ? ? three -=one;
? ? System.out.println("three -=one ==>"+three);
? ? ? ? three *=one;
? ? System.out.println("three *=one ==>"+three);
? ? ? ? three /=one;
? ? System.out.println("three /=one ==>"+three);
? ? ? ? three %=three;
? ? System.out.println("three %=three ==>"+three);
2015-06-21
后面為什么還要+three ?啊 ??
2015-06-10
沒作用就是個字符串