import [im’ pɔ:t] 导入,输入、 if [if] 如果 else [els] 否则 switch [switʃ] 判断语句 case [keis] 实例,情况 break [breik] 退出 continue [kən 'tinju] 跳出…继续 return [ri tə:n] 返回 default [di’fɔ:lt]或者的意思(在软件配置中还有默认的意思) while [wail] 当……...
elseif(布尔表达式1){ // 如果布尔表达式1为true 则执行该语句块}elseif(布尔表达式2){ // 如果布尔表达式2为true 则执行该语句块}elseif(布尔表达式3){ // 如果布尔表达式3为true 则执行该语句块}else{ // 如果以上条件都为 false执行该语句块} 四:嵌套 比如ifif ...
public class Even { public static int GetEven(int s1,int s2){ int s3=(int)s1+(int)(Math.random()*(s2-s1)); if(s3%2==0){ return s3; } else { return s3+1; } } public static void main(String[] args){ System.out.println("任意一个4到34之间的偶数:"+GetEven(4,34)); } ...
(0==totalPage) totalPage = 1; return totalPage; } public int getLast(){ int last; // 假设总数是50,是能够被5整除的,那么最后一页的开始就是40 if (0 == total % count) last = total - count; // 假设总数是51,不能够被5整除的,那么最后一页的开始就是50 else last = total - total ...
MONTH) + 1; SimpleDateFormat longSdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); SimpleDateFormat shortSdf = new SimpleDateFormat("yyyy-MM-dd"); Date now = null; try { if (currentMonth >= 1 && currentMonth <= 3) c.set(Calendar.MONTH, 0); else if (currentMonth >= 4 ...
If the entity was renamed, moved, or deleted, the documentation has to be updated, or else it does not compile. The use of the macros file and directory is straightforward. They check the existence of the file and directory specified as the argument. The name can either be absolute or ...
//falseSystem.out.println("obj2 instanceof Parent: "+ (obj2instanceofParent));//trueSystem.out.println("obj2 instanceof Child: "+ (obj2instanceofChild));//trueSystem.out.println("obj2 instanceof MyInterface: "+ (obj2instanceofMyInterface));//true}/** control flow */voidifelse(){...
If you are supplying the wrapped key bytes (the result of calling wrap) to someone else who will unwrap them, be sure to also send additional information the recipient will need in order to do the unwrap:the name of the key algorithm, and the type of the wrapped key (one of Cipher....
public class ex4_5_Getifelse { public static void main(String[] args) { int math = 95; int english = 56; if (math > 60) { System.out.println("math is passed"); } else { System.out.println("math is not passed"); } if (english > 60) { System.out.println("english is passe...
If you are supplying the wrapped key bytes (the result of calling wrap) to someone else who will unwrap them, be sure to also send additional information the recipient will need in order to do the unwrap: The name of the key algorithm. The type of the wrapped key (one of Cipher.SECR...