?? ch4ex13.java
字號(hào):
public class ch4ex13{
public static void main(String[]args){
String studentName[]=new String[30];
double math[]=new double[30];
double javaProgramming[]=new double[30];
String name;
boolean find;
int index=0;
//輸入姓名,數(shù)學(xué)成績(jī)以及Java程序設(shè)計(jì)成績(jī)
for(int j=0;j<30;j++){
System.out.print("Enter student name: ");
studentName[j]=Keyboard.readString();
System.out.println();
System.out.print("Enter Math: ");
math[j]=Keyboard.readDouble();
System.out.println();
System.out.print("Enter Java programming: ");
javaProgramming[j]=Keyboard.readDouble();
System.out.println();
}
//輸入需要查詢(xún)學(xué)生的姓名
System.out.print("Enter a student name: ");
name=Keyboard.readString();
find=false;
for(int j=0;j<30;j++){
if(name.equals(studentName[j])){
find=true;index=j;
//找到,則退出循環(huán)
break;
}
}
if(!find)
System.out.println("do not find student "+name);
else{
System.out.println(name);
System.out.println("math "+math[index]);
System.out.println("Java programming "+javaProgramming[index]);
}
}
}
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