二维数组初始化
2014-02-19 09:35
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public class A{
public static void main (String [] args)
{
//实例一、
String str1[][];
str1=new String[3][];
str1[0]=new String[3];
str1[1]=new String [4];
str1[2]=new String[5];
//赋值
for (int i=0;i<str1.length ;i++ )
{
for (int j=0;j<str1[i].length ;j++ )
{
str1[i][j]=new String("我的位置是 :"+i+","+j);
}
}
//输出
for (int i=0;i<str1.length ;i++ )
{
for (int j=0;j<str1[i].length ;j++ )
{
System.out.println(str1[i][j]);
}
}
//实例二、
String str2[][]=new String[4][];
System.out.println(str2.length);
//实例三
int str3[][]={{1,2},{3,4,5,6},{7,8},{56,345,23,232}};
for (int o=0;o<str3.length ;o++ )
{
for (int p=0;p<str3[o].length;p++)
{
System.out.print(str3[o][p]+" ");
}
}
}
}
public static void main (String [] args)
{
//实例一、
String str1[][];
str1=new String[3][];
str1[0]=new String[3];
str1[1]=new String [4];
str1[2]=new String[5];
//赋值
for (int i=0;i<str1.length ;i++ )
{
for (int j=0;j<str1[i].length ;j++ )
{
str1[i][j]=new String("我的位置是 :"+i+","+j);
}
}
//输出
for (int i=0;i<str1.length ;i++ )
{
for (int j=0;j<str1[i].length ;j++ )
{
System.out.println(str1[i][j]);
}
}
//实例二、
String str2[][]=new String[4][];
System.out.println(str2.length);
//实例三
int str3[][]={{1,2},{3,4,5,6},{7,8},{56,345,23,232}};
for (int o=0;o<str3.length ;o++ )
{
for (int p=0;p<str3[o].length;p++)
{
System.out.print(str3[o][p]+" ");
}
}
}
}