求字符串“This is my Basic”所有字符的ASCII码之和
方法一：
public static void main(String[] args){
int sum=0;
String str="This is my Basic";
char[] i=str.toCharArray();
for(int a=0;a<i.length;a++){
sum=sum+str.charAt(a);
}
System.out.println(sum);
}
方法二：
public static void main(String[] args){
int sum = 0;
String str = "This is my Basic";
char[] c = str.toCharArray();
for(int i=0; i<c.length; i++){
String s = String.valueOf(c[i]);
sum = sum + s.hashCode();
}
System.out.println("This is my Basic所有字符的ASCII码之和为："+sum);
}
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