HennIdan

Future <String> marvel = executor.submit(new Callable <String> () {
    public String call() {
        return getMarvelHeroWithCharacter(“C”); // totally not making this up
    }
});

// other very important stuff of course, non-blocking ftw

System.out.println(marvel.get()); // this bit is blocking if the result isn’t ready yet

HennIdan

CompletableFuture <String> cf =
    CompletableFuture.completedFuture("I'm done!");
cf.isDone(); // return true
cf.join(); // return "I'm done"

HennIdan

CompletableFuture <String> marvel = executor.submit(new Callable <String> () {
    public String call() {
        return getMarvelHeroWithCharacter(“C”);
    }
});

// other stuff goes here

marvel.complete(“Mystique”); // sets a “default” value if not yet completed

HennIdan

import static com.google.common.truth.Truth.assertThat;

Set < Foo > foo = ...;
assertThat(foo).isEmpty()

org.truth0.FailureStrategy$ThrowableAssertionError: Not true that is empty
at org.truth0.FailureStrategy.fail(FailureStrategy.java: 33)
    ...

HennIdan

import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import org.mockito.Mock;
import org.mockito.Mockito;

/**
 * Test for CannotMockFinalClass.
 */
@RunWith(JUnit4.class)
public class CannotMockFinalClassPositiveCases {

HennIdan

import static strman.Strman.leftPad
leftPad("1", "0", 5)
    // result => "00001"

HennIdan

 MultiLayerConfiguration conf = new NeuralNetConfiguration.Builder()
     .iterations(1)
     .weightInit(WeightInit.XAVIER)
     .activation("relu")
     .optimizationAlgo(OptimizationAlgorithm.STOCHASTIC_GRADIENT_DESCENT)
     .learningRate(0.05)
     // ... other hyperparameters
     .backprop(true)
     .build();

HennIdan

public static String randomString(int i)
{
    Random ran = new Random(i);
    StringBuilder sb = new StringBuilder();
    while (true)
    {
        int k = ran.nextInt(27);
        if (k == 0)
            break;

HennIdan

public static void main(String[] args) throws ParseException {
    SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");  
    String str3 = "1927-12-31 23:54:07";  
    String str4 = "1927-12-31 23:54:08";  
    Date sDt3 = sf.parse(str3);  
    Date sDt4 = sf.parse(str4);  
    long ld3 = sDt3.getTime() /1000;  
    long ld4 = sDt4.getTime() /1000;
    System.out.println(ld4-ld3);
}

HennIdan

for (int i = 0; i < 100000; ++i)
        {
            // Primary loop
            for (int c = 0; c < arraySize; ++c)
            {
                if (data[c] >= 128)
                    sum += data[c];
            }
        }