编程题：在Java中
java\u7f16\u7a0b\u9898\u505a\u4e00\u4e2awhile\u5faa\u73af\uff0c\u91cc\u9762\u8fdb\u884c\u952e\u76d8\u8f93\u5165\u5185\u5bb9\u7684\u5904\u7406
\u5982\uff1a \u7b2c\u4e00\u6b21\u8f93\u5165\u662f\u59d3\u540d\uff0c\u7b2c\u4e8c\u6b21\u8f93\u5165\u662f\u5206\u6570\uff0cend\u8868\u793a\u9000\u51fa\uff0cview\u8868\u793a\u67e5\u770b
Vector name_list = new Vector();// \u59d3\u540d\u96c6\u5408
Vector mark_list = new Vector();// \u5206\u6570\u96c6\u5408
int index = 1;//\u9632\u6b62\u7b2c\u4e00\u6b21\u5c31\u8f93\u5165\u5206\u6570, (\u5fc5\u987b\u662f\u59d3\u540d \u5206\u6570\u4e00\u4e00\u5bf9\u5e94)
while (true) {
Scanner sc = new Scanner(System.in);
String str = sc.next();
if ("end".equals(str)) {
break;
} else if ("view".equals(str)) {
int total=0;
System.out.println("\u59d3\u540d "+"\u5206\u6570");
for(int i=0;i<name_list.size();i++){
total += Integer.parseInt((String) mark_list.get(i));
System.out.println(name_list.get(i)+" "+mark_list.get(i));
}
System.out.println("\u603b\u6210\u7ee9:"+total+"\u5206 \u5e73\u5747\u6210\u7ee9:"+total/name_list.size());
}else {
if(str.matches("^[0-9]+$") || 2==index){
mark_list.add(str);
index = 1;
}else{
name_list.add(str);
index=2;
}
}
}
\u7528while\u5faa\u73af\u6bd4\u8f83\u597d:\u5efa\u4e00\u4e2ajava\u7c7b\u53ebtest\u5427:\u5148\u7528for:
public class test{
public static void main(String[] args){
int result=100;
for(int i=5;i<=100;i=i+5){
int a=result-i;
System.out.println(a);
}
}
}
\u7528while\u5faa\u73af\u6bd4\u8f83\u65b9\u4fbf:
public class test{
public static void main(String[] args){
int result=100;
while(result>5)
{
result=result-5;
System.out.println(result);
}
}
}
public class Circle {
private String color;
private int radius;
public Circle() {
}
// 显示颜色
public String showColor() {
return color;
}
// 设置颜色
public void setColor(String color) {
this.color = color;
}
// 显示半径
public int showRadius() {
return radius;
}
// 设置半径
public void setRadius(int radius) {
this.radius = radius;
}
// 计算周长
public double getGirth() {
return 2 * Math.PI * this.showRadius();
}
// 计算面积
public double getArea() {
return Math.PI * this.getGirth() * this.showRadius();
}
public static void main(String[] args) {
Circle circle = new Circle();
Scanner sc = new Scanner(System.in);
int count = 1;
int rad = 0;
String cor = null;
while(true){
if(count%2==1){
System.out.println("请输入半径：");
rad = sc.nextInt();
}else{
System.out.println("请输入颜色：");
cor = sc.next();
circle.setRadius(rad);//设置半径
circle.setColor(cor);//设置颜色
System.out.println("圆的半径为：" + circle.showRadius() + " 颜色是："
+ circle.showColor() + " 周长为：" + circle.getGirth() + " 面积为："
+ circle.getArea());
}
count++;
}
}
}
你是哪位啊,我也在考这题
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