V get(long timeout, TimeUnit unit) : When this method is called, thread will wait for result only for specified time. Example: This program will demonstrate use of Callable and Future. We will create one callabl
for (int i = 0; i < numTasks; i++) { executor.submit(() -> { // 模拟一个耗时任务,随机生成一个数并计算其平方 int randomNum = ThreadLocalRandom.current().nextInt(100); System.out.println("Thread " + Thread.currentThread().getName() + " calculating square of " + randomNum); ...
Main method for running the algorithm */privatevoidoptimize(){//main loop for iterating over configured number of iterationsfor(inti=0;i<iterations;i++){//loop over individual whale in the population. Each whale represents a solution in the//search spacefor(intj=0;j<popSize;j++) {//get...
publicclassJavaExample{publicvoidcalculate(intp,intt,doubler,intn){doubleamount=p * Math.pow(1+ (r / n), n * t);doublecinterest=amount - p; System.out.println("Compound Interest after "+ t +" years: "+cinterest); System.out.println("Amount after "+ t +" years: "+amount); }pu...
Future<Integer> future =newSquareCalculator().calculate(10);while(!future.isDone()) { System.out.println("Calculating..."); Thread.sleep(300); }Integerresult=future.get(); In this example, we’ll write a simple message on the output to let the user know the program is performing the ...
Calculating age The following example uses a function to calculate the age of a user. Main.java import java.time.LocalDate; import java.time.Period; import java.util.List; import java.util.function.Consumer; import java.util.function.Function; ...
for (int i = 0; i < numTasks; i++) { executor.submit(() -> { // 模拟一个耗时任务,随机生成一个数并计算其平方 int randomNum = ThreadLocalRandom.current().nextInt(100); System.out.println("Thread " + Thread.currentThread().getName() + " calculating square of " + randomNum); ...
Lambda 表达式的值只在赋值时被计算一次,之后就会使用 property 的值,所以 “Calculating……” 只会输出 1 次 对于foo2 来说: 我们写了一个自定义的 getter,所以当访问 foo2 时,会访问自定义的 getter,因此输出 2 次“Calculating……” 在accessor(getter 和 setter)中,我们可以使用field来访问域成员变量,...
Enter any number: 36 Square root of 36 is: 6.0 Enter any number: 40 Square root of 40 is: 6.324555320336758 Time Complexity The time complexity of this code is O(log n) as each iteration for calculating the guess increases logarithmically with respect to the number n. 4. Binary Search ...
The simplest example of a time series that all of us come across on a day to day basis is the change in temperature throughout the day or week or month or year. 时间序列是在一定时期内的一系列观察结果。 单变量时间序列由一个变量在一个周期内的定期时间实例所取的值组成,而多元时间序列由...