Java中,定义一个1~100的数据,存放进数组,并遍历它。 java将得到的一组数据放到循环放到数组中
JAVA\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\uff0c\u5b58\u653e1--100\u7684\u503c\uff0c\u7136\u540e\u8f93\u51fa\u5176\u4e2d\u7684\u5076\u6570\u3002int[] i = new int[100];//\u5b9a\u4e49\u4e00\u4e2a\u6574\u5f62\u6570\u7ec4\uff0c\u5927\u5c0f\u4e3a100\uff1b
//......\u53ef\u7528Scanner;
int len = i.length; //\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\uff1b
for(int j = 0;i<i.length;){
if(j%2==0){ //\u5224\u65ad\u662f\u5426\u4e3a\u5076\u6570
System.out.println(i[j]);
}
}
\u628a\u591a\u4e2a\u6570\u653e\u5165\u6570\u7ec4\u91cc\uff1a
int[] Array=new int[100]\uff1b//\u5b9a\u4e49\u4e00\u4e2a\u957f\u5ea6\u4e3a100\u7684int\u6570\u7ec4
Array[0]=5;//\u7ed9\u7b2c\u4e00\u4e2a\u6570\u7ec4\u5143\u7d20\u8d4b\u503c
Array[1]=6;//\u4f9d\u6b21\u7c7b\u63a8\u8d4b\u503c\u591a\u6b21
int c = Array[0];//\u4e4b\u540e\u83b7\u53d6\u5230\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u503c
\u7ed3\u679c\u5c31\u662f\uff1a5\uff1b
\u5907\u6ce8\uff1a\u6570\u7ec4\u7684\u4e0b\u6807\u4ece0\u5f00\u59cb\uff0c\u5b9a\u4e49\u7684\u957f\u5ea6\u4e3a100\u4e2a\uff0c\u90a3\u4e48\u6570\u7ec4\u7684\u6700\u540e\u4e00\u4e2a\u5e94\u8be5\u662f\u201cArray[99]\u201d\uff0c\u5426\u5219\u83b7\u53d6\u201cArray[100]\u201d\u7684\u65f6\u5019\u4f1a\u62a5\u9519\u6570\u7ec4\u8d8a\u754c\u5f02\u5e38\u3002
1、定义一个大小是100的数组
int arr[]=new int[100];//定一个100大小的整型数组
2、循环赋值1-100的数
for(int i=1;i<=100;i++){
arr[i-1] = i;//赋值1-100的数
}
3、遍历数组
for(int i=0;i<arr.length;i++){//数组最大值是arr.length,循环遍历数组
System.out.println(arr[i]);//输出数组内的元素
}
//方法一
public class Test {
public static void main(String[] args) {
int i=1;
int[] arr=new int[100];
//放入
while (i<=100) {
arr[i-1]=i;
i++;
}
i=0;
//遍历
while (i<arr.length) {
System.out.println(arr[i]);
i++;
}
}
}
//方法二
public class Test {
public static void main(String[] args) {
TreeSet treeSet=new TreeSet();
int i=1;
//放入
while (i<=100) {
treeSet.add(i);
i++;
}
i=0;
//遍历
Iterator iterator=treeSet.iterator();
while (iterator.hasNext()) {
System.out.println(iterator.next());
}
}
}
public static List transfer(){
int[] array = new int[100];
List list = new ArrayList(100);
for(int i=0;i<100;i++){
array[i]=i+1;
list.add(array[i]);
}
return list;
}
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