输出1到10的平方。public class add{
public static void main(String [] args){
int num [9] ={1,2,3,4,5,6,7,8,9,10};
for(int i=0;i<=9;i++)
System.out.print(" "+num[i]);
System.out.println(" "+(num[i]*num[i]));
}
}
public static void main(String [] args){
int num [9] ={1,2,3,4,5,6,7,8,9,10};
for(int i=0;i<=9;i++)
System.out.print(" "+num[i]);
System.out.println(" "+(num[i]*num[i]));
}
}
for(int i=0;i<9;i++)
num[9]说明数组长度为9,但是初始化却有10个。
num[9]意思是从0---8,一共9个元素。
public static void main(String [] args){
int num [10] ={1,2,3,4,5,6,7,8,9,10};
for(int i=0;i<=9;i++)
System.out.print(" "+num[i]);
System.out.println(" "+(num[i]*num[i]));
}
}
for(int i=0;i<=9;i++)
System.out.print(" "+num[i]);
System.out.println(" "+(num[i]*num[i]));
public static void main(String [] args){
int [] num = {1,2,3,4,5,6,7,8,9};
for(int i=0;i<=9;i++)
{
System.out.print(" "+num[i]);
System.out.println(" "+(num[i]*num[i]));
}
}
}
这样就可以运行了,但是要把“int num [9]”变为int [] num
class add{
public static void main(String [] args){
int num [] ={1,2,3,4,5,6,7,8,9,10};
for(int i=0;i<=9;i++){
System.out.print(" "+num[i]);
System.out.println(" "+(num[i]*num[i]));
}
}
}
public static void main(String [] args){
int [] num = {1,2,3,4,5,6,7,8,9};
for(int i=0;i<=9;i++)
{
System.out.print(" "+num[i]);
System.out.println(" "+(num[i]*num[i]));
}
}
}
这样就可以运行了,但是要把“int num [9]”变为int [] num-----------------------------------------------------------------
正解,java里面给数组初始化的时候不能直接定义大小~~