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1010cc时时彩经典版:Java每日一题

发布时间:2019-08-15 22:57编辑:1010cc时时彩经典版浏览(171)

    【Java每一日一题】二零一五1031,java20141031

    package Oct2016;
    
    import java.util.SortedSet;
    import java.util.TreeSet;
    
    public class Ques1031 {
    
        public static void main(String[] args) {
            SortedSet<People> set = new TreeSet<People>();
            set.add(new People(170));
            set.add(new People(165));
    
            for(People people : set){
                System.out.println("身高:" people.getHeight());
            }
            System.out.println();
    
            // 将身高矮的人变高
            set.first().setHeight(175);  // 之前排在第一位的人就是最矮的
            for(People people : set){
                System.out.println("身高:" people.getHeight());
            }
        }
    }
    
    class People implements Comparable<People>{
    
        private int height;
    
        public People(int height) {
            super();
            this.height = height;
        }
    
        public int getHeight() {
            return height;
        }
    
        public void setHeight(int height) {
            this.height = height;
        }
    
        @Override
        public int compareTo(People p) {
            // 按身高从矮到高排序
            return height - p.height;
        }
    }
    

    今天主题材料: 
    试问主程序输出结果是?(点击以下“【Java每一天一题】20151031”查看20151028主题材料浅析) 

    标题原颁发于民众号、简书:【Java每一日一题】20151031,【Java每一日一题】二零一四1031 
    天天一题最新将要大伙儿号发表,款待订阅,沟通发展 

    1010cc时时彩经典版 1

     

    package Oct2016; import java.util.SortedSet; import java.util.TreeSet; public class Ques1031 { public static void main(String[] args)...

    【Java每天一题】二〇一六1101,java二零一六1101

    package Nov2016;
    
    import java.util.HashMap;
    import java.util.Map;
    
    public class Ques1101 {
    
        public static void main(String[] args) {
    
            HashMap<Integer, Integer> map = new HashMap<Integer, Integer>();
    
            for (int i = 0; i < 100; i  ) {
                map.put(i, i);
            }
    
            // 遍历1
            for (Integer key : map.keySet()) {
                Integer value = map.get(key);
                System.out.println(key "---" value);
            }
    
            // 遍历2
            for (Map.Entry<Integer, Integer> entry : map.entrySet()) {
                Integer key = entry.getKey();
                Integer value = entry.getValue();
                System.out.println(key "---" value);
            }
        }
    }
    

    后天主题材料: 
    试问主程序输出结果是?(点击以下“【Java每一天一题】二〇一四1101”查看二零一四1031标题浅析) 

    标题原颁发于公众号、简书:【Java天天一题】二〇一四1101,【Java每一天一题】二〇一六1101 
    天天一题最新将要民众号宣布,接待订阅,调换发展 

    1010cc时时彩经典版 2

     

    package Nov2016; import java.util.HashMap; import java.util.Map; public class Ques1101 { public static void main(String[] args) { Hash...

    【Java每天一题】20151125,java20161125

    package Nov2016;  
    
    import java.util.LinkedList;  
    import java.util.List;  
    
    public class Ques1125 {  
    
       public static void main(String[] args){  
          List list01 = new LinkedList();  
          List list02 = new LinkedList(){};  
          List list03 = new LinkedList(){{}};  
          System.out.println(list01.getClass() == list02.getClass());  
          System.out.println(list02.getClass() == list03.getClass());  
          System.out.println(list01.getClass() == list03.getClass());  
       }  
    }
    

    明日主题素材: 
    请问主程序是还是不是健康编写翻译通过输出结果?(点击以下“【Java每天一题】二〇一四1125”查看二零一四1124标题浅析) 

    题目原颁发于民众号、简书:【Java每一天一题】二零一五1125,【Java天天一题】20141125 
    1010cc时时彩经典版 3 

    package Nov2016; import java.util.LinkedList; import java.util.List; public class Ques1125 { public static void main(String[] args){ L...

    【Java天天一题】20151214,java二零一四1214

    package Dec2016;  
    
    import java.util.ArrayList;  
    import java.util.List;  
    
    public class Ques1214 {  
    
       public static void main(String[] args){  
            final List<String> tickets = new ArrayList<String>();  
            for(int i = 0; i < 1000; i  ){  
                tickets.add("高铁票-" i);  
            }  
    
            // 10个线程窗口卖票  
            for(int i = 0; i < 10; i  ){  
                new Thread(){  
                    public void run(){  
                        while(true){  
                            System.out.println(Thread.currentThread().getId() "-" tickets.remove(0));  
                        }  
                    }  
                }.start();  
            }  
        }  
    }
    

    今九章题: 
    试问主程序输出结果是怎么样?能否促成各窗口间卖的票不相互冲突?(点击以下“【Java每天一题】20151214”查看二〇一五1213难题浅析) 

    主题素材原颁发于公众号、简书:【Java每一日一题】二〇一六1214,【Java每一天一题】二零一六1214 

    1010cc时时彩经典版 4 

    package Dec2016; import java.util.ArrayList; import java.util.List; public class Ques1214 { public static void main(String[] args){ fi...

    【Java每一日一题】二零一四1229,java二〇一六1229

    package Dec2016;  
    
    import java.util.ArrayList;  
    import java.util.List;  
    
    public class Ques1229 {  
    
       public static void main(String[] args){  
           Student stu01 = new Student("001");  
           Student stu02 = new Student(null);  
    
           List<Student> students = new ArrayList<Student>();  
           students.add(stu01);  
           students.add(stu02);  
           System.out.println("students是否包含001学号:" students.contains(stu01));  
           System.out.println("students是否包含null:" students.contains(stu02));  
       }  
    }  
    
    class Student{  
        private String stuId;  
        public Student(String stuId) {  
           super();  
           this.stuId = stuId;  
        }  
        public String getStuId() {  
            return stuId;  
        }  
        public void setStuId(String stuId) {  
            this.stuId = stuId;  
        }  
    
        @Override  
        public boolean equals(Object obj) {  
            if(obj instanceof Student){  
                Student stu = (Student) obj;  
                return stuId.equalsIgnoreCase(stu.getStuId().trim());  
            }  
            return false;  
        }   
    }  
    

    今九歌题: 
    请问主程序输出结果是何等?(点击以下“【Java每天一题】二零一四1229”查看20151228标题深入分析) 

    难题原颁发于公众号、简书:【Java每天一题】二〇一五1229,【Java每一日一题】二零一五1229 

    注:weknow团队日前开通并证实了分答,招待大家听听,偶尔也招待到分答来咨询哦,回见您!! 

    1010cc时时彩经典版 5 

    1010cc时时彩经典版 6  

     

    package Dec2016; import java.util.ArrayList; import java.util.List; public class Ques1229 { public static void main(String[] args){ St...

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