為什么有這個(gè)報(bào)錯(cuò)
public class demo04{
? ? public static void main(String[] args) {
? ? ?String[] subjects =new String[1];
? ? ? ?subjects[0]="wangjia";
? ? ? ?subjects[1]="jinling";
? ? ? ?System.out.println("輸出的分?jǐn)?shù)為"+subjects[1]);
? ? }
}
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 1
?at HelloWorld.main(HelloWorld.java:5)
2022-09-08
數(shù)組長(zhǎng)度要和[]這個(gè)數(shù)組里面的數(shù)的個(gè)數(shù)相同,直接從“1”開(kāi)始,并非讀取時(shí)候的“0”開(kāi)始
2021-07-06
那個(gè)申明的數(shù)據(jù)長(zhǎng)度要是2,這個(gè)改為String[] subjects =new String[2];
2021-06-21
看出來(lái)問(wèn)題了