编写应用程序,输出以下的菱形 编写应用程序,输出以下的菱形: * *** ***** ******* ********* ****** ***** *** * 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 public class LingXing { public static void main(String[] args) { for (int j = 1; j <= 10; j++) { for (int z = 1; z <= 10 - j; z++) { System.out.print(" "); } for (int i = 1; i <= 2 * j - 1; i++) { System.out.print("*"); } System.out.println(); } for (int j = 1; j <= 10; j++) { for (int z = 1; z <= j; z++) { System.out.print(" "); } for (int i = 19 - j * 2; i >= 1; i--) { System.out.print("*"); } System.out.println(); } }} public class T00 { public static void main(String[]args) { StringBuffer s0 = new StringBuffer(" * "); for(int i=4;i>=1;i--){ s0.setCharAt(i, '*'); s0.setCharAt(8-i, '*'); System.out.println(s0); } StringBuffer s1 = new StringBuffer("*********"); System.out.println(s1); for(int i=0;i<5;i++){ s1.setCharAt(i, ' '); s1.setCharAt(8-i, ' '); System.out.println(s1); } }} public class Diamond { /** * @param args */ public static void main(String[] args) { int count = 10; // 最大个数 for (int i = 1; i < count; i++) { for (int j = i; j < count; j++) { System.out.print(" "); } for (int j = 1; j <= (2 * i - 1); j++) { System.out.print("*"); } System.out.println(); } for (int i = count - 1; i > 0; i--) { for (int j = i; j < count; j++) { System.out.print(" "); } for (int j = 1; j <= (2 * i - 1); j++) { System.out.print("*"); } System.out.println(); } }} 子类的类体 如何编译整个包? 同一个系统如何使用2个版本的jdk 【醒目】JAVA学习资料转让 今天买了《JAVA核心技术》 对于一个大的文本文件,我想读取其中指定行的数据,该如何做? 小看看~ jbuilder能不能把applet转换成application? 请问:“怎样把一个APPLET程序代码加上主函数(MAIN)举例说明呀! 求教文件操作的问题(只要能解决就给分)。 为什么不能这样抛异常啊!! 输出1到100之间的质数
public class LingXing {
public static void main(String[] args) {
for (int j = 1; j <= 10; j++) { for (int z = 1; z <= 10 - j; z++) {
System.out.print(" "); }
for (int i = 1; i <= 2 * j - 1; i++) {
System.out.print("*");
}
System.out.println();
} for (int j = 1; j <= 10; j++) {
for (int z = 1; z <= j; z++) {
System.out.print(" ");
}
for (int i = 19 - j * 2; i >= 1; i--) {
System.out.print("*");
}
System.out.println();
}
}
}
public class T00 {
public static void main(String[]args) {
StringBuffer s0 = new StringBuffer(" * ");
for(int i=4;i>=1;i--){
s0.setCharAt(i, '*');
s0.setCharAt(8-i, '*');
System.out.println(s0);
}
StringBuffer s1 = new StringBuffer("*********");
System.out.println(s1);
for(int i=0;i<5;i++){
s1.setCharAt(i, ' ');
s1.setCharAt(8-i, ' ');
System.out.println(s1);
}
}
}
public class Diamond { /**
* @param args
*/
public static void main(String[] args) {
int count = 10; // 最大个数 for (int i = 1; i < count; i++) {
for (int j = i; j < count; j++) {
System.out.print(" ");
}
for (int j = 1; j <= (2 * i - 1); j++) {
System.out.print("*");
}
System.out.println();
}
for (int i = count - 1; i > 0; i--) {
for (int j = i; j < count; j++) {
System.out.print(" ");
}
for (int j = 1; j <= (2 * i - 1); j++) {
System.out.print("*");
}
System.out.println();
} }}