import java.io.*;
import javax.crypto.*;
public class Code2
{
public void main(String args[]) throws Exception
{
KeyGenerator kg=KeyGenerator.getInstance("DESede");
kg.init(168);
SecretKey k=kg.generateKey();
FileOutputStream f=new FileOutputStream("Key1.dat");
ObjectOutputStream b=new ObjectOutputStream(f);
b.writeObject(k);
}
}
此程序编译不错,运行出现
java.lang.NoSuchMethodError: main
Exception in thread "main"
Process completed.是不是“import javax.crypto”有问题,改怎么解决
import javax.crypto.*;
public class Code2
{
public void main(String args[]) throws Exception
{
KeyGenerator kg=KeyGenerator.getInstance("DESede");
kg.init(168);
SecretKey k=kg.generateKey();
FileOutputStream f=new FileOutputStream("Key1.dat");
ObjectOutputStream b=new ObjectOutputStream(f);
b.writeObject(k);
}
}
此程序编译不错,运行出现
java.lang.NoSuchMethodError: main
Exception in thread "main"
Process completed.是不是“import javax.crypto”有问题,改怎么解决
import javax.crypto.*;
public class Code2
{
public static void main(String args[]) throws Exception
{
KeyGenerator kg=KeyGenerator.getInstance("DESede");
kg.init(168);
SecretKey k=kg.generateKey();
FileOutputStream f=new FileOutputStream("Key1.dat");
ObjectOutputStream b=new ObjectOutputStream(f);
b.writeObject(k);
}
}