摘要:
1.x++ is a method , the return value is x. (post increment) ++x is also a method , the return value is x+1. (pre increment) 2.muti-dim Array int[][] m 阅读全文
摘要:
1.If ( str1==str2 ) means if str1 and str2 are refers to the same OBJECT. But when compare string , they are not the same actual object. So we usually 阅读全文
摘要:
1.Local variable(local) ex. int i = 0; factorial(i); the "i" outside the method factorial(i) is called local variable ; and the "i" in method factoria 阅读全文