假设我有 2 个扫描仪填充的阵列,name[]
and age[]
。每一项都按顺序填写。如果我要找到数组中最年长的人,如何使用数组打印出他们的名字和年龄?
例如最大的条目age[]
was 78
。有没有办法将其与name[]
数组来打印它?
参考代码:
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.println("How many entries ?");
int entries;
do {
entries = input.nextInt();
if (entries < 1) {
System.out.println("please enter a valid number!");
}
} while (entries < 1);
String[] name = new String[entries];
String[] gender = new String[entries];
int[] age = new int[entries];
for (int i = 0; i < entries; i++) {
System.out.println("Enter the name of person No" + (i + 1) + ".");
name[i] = input.next();
}
double ageSum = 0;
int max = 0;
for (int i = 0; i < entries; i++) {
System.out.println("How old is " + name[i] + " ?");
age[i] = input.nextInt();
ageSum += age[i];
max = Math.max(max, age[i]);
}
System.out.println("the oldest person is "
+ name[] + " whose " + max + " years old.");
}
假设您的数组具有相同的大小和与名称相对应的年龄,那么您可以检查最高年龄并存储具有最高年龄的元素的索引。
然后你的名字就在这个索引上。
int highestAgeIndice = 3; //indice of element with age 97 as example
names[highestAgeIndice] // the corresponding name
计算最高年龄并存储其指数
int max = 0;
int highestInd = 0;
for (int i = 0; i < age.length; i++) {
if (age[i] > max) {
max = age[i];
highestInd = i;
}
}
System.out.println("the oldest person is " +
name[highestInd] + " whose " + max + " years old.");
The Code
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.println("How many entries ?");
int entries;
do {
entries = input.nextInt();
if (entries < 1) {
System.out.println("please enter a valid number!");
}
} while (entries < 1);
String[] name = new String[entries];
String[] gender = new String[entries];
int[] age = new int[entries];
for (int i = 0; i < entries; i++) {
System.out.println("Enter the name of person No" + (i + 1) + ".");
name[i] = input.next();
}
double ageSum = 0;
for (int i = 0; i < entries; i++) {
System.out.println("How old is " + name[i] + " ?");
age[i] = input.nextInt();
ageSum += age[i];
}
int max = 0;
int highestInd = 0;
for (int i = 0; i < age.length; i++) {
if (age[i] > max) {
max = age[i];
highestInd = i;
}
}
System.out.println("the oldest person is " +
name[highestInd] + " whose " + max + " years old.");
}
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