User->>Loop: Number is odd Loop->>User: Print 3 Loop->>User: Check number (4) User->>Loop: Number is even Loop->>User: Skip to next number Loop->>User: ... (repeat for other numbers) Loop->>User: End Loop 总结 使用if和continue语句可以灵活地控制循环的执行流程。当我们需要根据条...
1importjava.io.InputStream;2importjava.util.Scanner;34publicclassParityCheck {5publicstaticvoidmain(String[] args) {6booleanboo=true;7while(boo){8System.out.println("enter a number");9try{//排除用户输入字符10Scanner input=newScanner(System.in);//接受用户输入的字符11intnumber=input.nextInt()...
Java Code: importjava.util.*;publicclassExercise48{publicstaticvoidmain(String[]args){// Iterate through numbers from 1 to 99for(inti=1;i<100;i++){// Check if the number is oddif(i%2!=0){// Print the odd numberSystem.out.println(i);}}} Copy Sample Output: 1 3 5 7 9 11 1...
If you're not sure, here is the breakdown: If a number is greater than zero, it is a positive number. If a number is less than zero, it is a negative number. If a number equals to zero, it is zero. Also Read: Java Program to Check Whether a Number is Even or Odd Java Prog...
( Odd Magic Squares ) In case you've never come across one before, a magic square is an arrangement of sequential numbers in a square so that the rows, columns, and diagonals all add up to the same number. For instance, a 3x3 magic square is: ...
(1)OddNumberThread线程获取锁之后,判断一下num是不是奇数,如果不是奇数,他就调用condition.await()方法,释放锁,同时沉睡等待(条件:只在num为奇数的时候打印)。 当被唤醒之后会重新尝试获取锁,获取锁成功之后才能继续运行。 如果是奇数的话,打印1,然后执行num++,然后调用condition.signal方法唤醒因为调用condition.awa...
privatestaticStringgetText(intnumber){ String result =switch(number) { case1,2->"one or two"; case3->"three"; case4,5,6->"four or five or six"; default->"unknown"; }; returnresult; } 而在Java 13 中,value break 语句不再被编译,而是用 yield 来进行值返回,上述写法被改为如下写法:...
();// We need to drop root perms only if we're already root. In the case of "wrapped"// processes (see WrapperInit), this function is called from an unprivileged uid// and gid.boolean droppedPriviliges=false;if(reuid==ROOT_UID&®id==ROOT_GID){try{Os.setregid(ROOT_GID,UNPRIVILEGED...
skip(n): Returns a stream with the first n number of elements discarded Finding and matching.A common data processing pattern is determining whether some elements match a given property. You can use theanyMatch,allMatch, andnoneMatchoperations to help you do this. They all take a predicate as...
Many chapters in this tutorial end with an exercise where you can check your level of knowledge.Exercise? Which method is often used to print text in Java? println() printline() printtext() echo()Submit Answer »See all Java Exercises...