java编程 哪位高手帮帮忙
来源:百度知道 编辑:UC知道 时间:2024/06/06 19:40:53
Problem 1.
// HelloDate.java
import java.util.*;
public class HelloDate {
public static void main(String[] args) {
System.out.println("Hello, it's: ");
System.out.println(new Date());小xxxxx
}
}
模仿上述程序, 编写一JAVA程序HelloToMe.java, 按如下方式运行
java HelloToMe "晴" "良好"
运行结果:
今天天气: 晴
今天心情: 良好
Problem 2. Write a program that generates 25 random int values. For each value, use an if-else statement to classify it as greater than, less than, or equal to a second randomly-generated value.
Problem 3.1 编写一个JAVA程序, 使用适当循环语句, 输出以下图形:
*
**
***
****
*****
****
***
**
*
Problem 3.2 编写一个JAVA程序,使用适当循环语句, 输出以下图形: (选做题, 三十晚上要是没事, 做做这道题. :-)
* *
** **
*** ***
**** ****
**********
**** ****
*** ***
// HelloDate.java
import java.util.*;
public class HelloDate {
public static void main(String[] args) {
System.out.println("Hello, it's: ");
System.out.println(new Date());小xxxxx
}
}
模仿上述程序, 编写一JAVA程序HelloToMe.java, 按如下方式运行
java HelloToMe "晴" "良好"
运行结果:
今天天气: 晴
今天心情: 良好
Problem 2. Write a program that generates 25 random int values. For each value, use an if-else statement to classify it as greater than, less than, or equal to a second randomly-generated value.
Problem 3.1 编写一个JAVA程序, 使用适当循环语句, 输出以下图形:
*
**
***
****
*****
****
***
**
*
Problem 3.2 编写一个JAVA程序,使用适当循环语句, 输出以下图形: (选做题, 三十晚上要是没事, 做做这道题. :-)
* *
** **
*** ***
**** ****
**********
**** ****
*** ***
Problem 1:
//HelloToMe.java
public class HelloToMe{
public static void main(String args[]){
System.out.println("今天天气:"+args[0]);
System.out.println("今天心情:"+args[1]);
}
}
一楼的,你的第一题不符合题目~~
Problem 3.1:
public class Test{
public static void main(String args[]){
for(int i=1;i<=5;i++){
for(int j=1;j<=i;j++){
System.out.print("*");
}
System.out.println();
}
for(int i=4;i>=0;i--){
for(int j=1;j<=i;j++){
System.out.print("*");
}
System.out.println();
}
}
}
Problem 4:
public class Test2{
float money;
float calculate(float weight){
if(0<=weight&&weight<=5)
{
money=weight*50;
}
if(6<=weight&&weight<=10)
{
money=weight*40+(we