等于號(hào)加與不加的區(qū)別
public class HelloWorld {
??? public static void main(String[] args) {
???????
??????? // 變量保存成績(jī)
??????? int score = 53;?
??????? // 變量保存加分次數(shù)
??????? int count = 0;
??????? //打印輸出加分前成績(jī)
????????? System.out.println(score);
???????
??????? // 只要成績(jī)小于60,就循環(huán)執(zhí)行加分操作,并統(tǒng)計(jì)加分次數(shù)
??????? for(;score<60;score++)//這里加了等于號(hào),怎么最后的值就變成61和8了 ???
{
??????????? count++;
??????? }
???????
??????? //打印輸出加分后成績(jī),以及加分次數(shù)
?????
????????? System.out.println(score);
?????? System.out.println(count);
?
??? }
}
2016-10-28
加了等于號(hào)之后,當(dāng)score循環(huán)到60的時(shí)候,仍然滿足for循環(huán)語(yǔ)句,則進(jìn)入循環(huán),count由7變成了8,最后score++,則score由60變成了61