新人处女帖：16进制转10进制问题，高手请进。

[guenze]

描述：屏幕上输入一个16进制数，输出一个10进制数。

1：
import java.util.Scanner;

public class test2
{
public static void main(String[] args)
{
Scanner scanner=new Scanner(System.in);
System.out.printf("请输入16进制数字:");
String s = scanner.next();
String c= Integer.valueOf("s",16).toString();
System.out.println(String.valueOf(c));

}
}

2：
import java.util.Scanner;

public class test2
{
public static void main(String[] args)
{
Scanner scanner=new Scanner(System.in);
System.out.printf("请输入16进制数字:");
String s = scanner.next();
int d =Integer.parseInt(s);
System.out.println(Integer.toString(d));

}
}

1，2都不正确。请高手帮忙。

[daybybyby]

[Quote=引用 5 楼 ZangXT 的回复:]

import java.util.Scanner;

public class Test {

public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.printf("请输入16进制数字:");
String s = scanner.next();
String c = Integer.valueOf(s, 16).toString();
System.out.println(String.valueOf(c));

}
}
[/Quote]

[guenze]

谢谢各位。

[logi22]

第一个写错了，“s”改称s

[胡矣]

import java.util.Scanner;


public class Test {
	public static void main(String[] args) {
		Scanner scanner=new Scanner(System.in); 
		System.out.println("请输入16进制数字:"); 
		String s = scanner.next(); 
		System.out.println(Integer.parseInt(s,16));   
	}
}

[lord_is_layuping]

1

import java.util.Scanner;

public class test2 {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		System.out.printf("请输入16进制数字:");
		String s = scanner.next();
		String c = Integer.valueOf(s, 16).toString();
		System.out.println(String.valueOf(c));

	}
}

请输入16进制数字:10
16

[ZangXT]

import java.util.Scanner;

public class Test {

public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.printf("请输入16进制数字:");
String s = scanner.next();
String c = Integer.valueOf(s, 16).toString();
System.out.println(String.valueOf(c));

}
}