public class Test { public static void main(String[] args) { for (int i = 0; i < 5; i++) { if (i != 0 && i != 4) System.out.println("**"); else System.out.println("*"); } } }
public class print_star{ public static void main(String[] args){ int i=0,j=0;//i是星的行数 for(i=0;i<5;i++){ for(j=0;j<=i;j++){ System.out.print("*"); } System.out.print("\n"); } } } 这样就OK了.
好像不对呢:P 上面打出的是递增的星星.cycherr的才对耶. 唉呀,丢人啊:'(
这才是答案虽然长了点public class xinxin { public static void main(String[] args) { for (int i = 1; i <= 5; i++) { for(int j=1;j <= 9;j++ ) {
public class star {
public static void main(String[] args) {
System.out.println(" *");
System.out.println(" * *");
System.out.println("* *");
System.out.println(" * *");
System.out.println(" *");
}}
*
* *
* *
* *
*
http://community.csdn.net/Expert/topic/5434/5434278.xml?temp=5.794924E-02
public static void main(String[] args) {
for (int i = 0; i < 5; i++) {
if (i != 0 && i != 4)
System.out.println("**");
else
System.out.println("*");
}
}
}
public static void main(String[] args){
int i=0,j=0;//i是星的行数
for(i=0;i<5;i++){
for(j=0;j<=i;j++){
System.out.print("*");
}
System.out.print("\n");
}
}
}
这样就OK了.
唉呀,丢人啊:'(
public static void main(String[] args) {
for (int i = 1; i <= 5; i++)
{
for(int j=1;j <= 9;j++ )
{
if( i==1&&j==5)
System.out.print("*");
else if( i==2&&(j==3||j==7) )
System.out.print("*");
else if( i==3&&(j==1||j==9) )
System.out.print("*");
else if( i==4&&(j==3||j==7) )
System.out.print("*");
else if( i==5&&j==5)
System.out.println("*");
else
System.out.print(" ");
}
System.out.println(" ");
}
}
}
{
public static void main(String[] args)
{
for(int i = 1 ; i < 6 ; i++)
{
for(int j = 1 ; j < 6 ; j++)
{
if((i%2==0 && j%2==0) || (i-j)==2 || (j-i)==2)
{
System.out.print("*");
}
else
{
System.out.print(" ");
}
}
System.out.println("");
}
}
}
{
public static void main(String[] args) throws IOException
{
try
{
System.out.print("input a number: ");
int c = System.in.read() - '0';
if(c%2!=0)
{
new Test().prt(c);//must input a odd number
}
else
{
System.out.println("You must input a odd number!");
}
}
catch(IOException ioe)
{
ioe.printStackTrace();
}
} public void prt(int c)
{
for(int i = 1 , tmp = 0 ; i < c+1 ; i++)
{
tmp = i>(c+1)/2?((c+1)-(i)):i;
for(int j = 1 ; j < c+1 ; j++)
{
if(j==((c+1)/2)+(tmp-1) || j==((c+1)/2)-(tmp-1))
{
System.out.print("*");
}
else
{
System.out.print(" ");
}
}
System.out.println("");
}
}
}