··旋转字符
package henu.software.class5;
public class Assignment1 {
public static void main(String[] args) {
// TODO Auto-generated method stub
for(int i=0;i<=99999999;i++) {
System.out.print("\");delay();
System.out.print("b");
System.out.print("|");delay();
System.out.print("b");
System.out.print("/");delay();
System.out.print("b");
}
}
static void delay() {
for(long i=0L;i<=999999999999999999L;i++) {
long a=9999999999L;
for(int j=0;j<=9999;j++) {
long b=9999999999L;
}
}
}
}
··打印从“啊”开始的1000个汉字，20个一行
package henu.software.class5;
public class Assignment2 {
public static void main(String[] args) {
// TODO Auto-generated method stub
char a='u554a';
for(int i=1;i<=1000/20;i++) {
for(int j=1;j<=20;j++) {
System.out.print(a);
System.out.print(" ");
a++;
}
System.out.println();
}
}
}
··从将字符串"234.56"转换为double类型，并输出
package henu.software.class5;
public class Assignment3 {
public static void main(String[] args) {
// TODO Auto-generated method stub
String a="234.56";
double b=Double.parseDouble(a);
System.out.println(b);
}
}
