new 3

stream

Code

List<String> sl = Arrays.asList("a", "b", "aa");

// -- https://www.tutorialspoint.com/java8/java8_streams.htm
// -- https://www.tutorialspoint.com/java8/java8_lambda_expressions.htm

// -- https://winterbe.com/posts/2014/07/31/java8-stream-tutorial-examples/
// -- https://winterbe.com/posts/2014/03/16/java-8-tutorial/
// Stream<String> strings = Stream.of("foo", "bar", "baz");

sl.forEach(System.out::print);
System.out.println("\n");
sl.forEach(n -> System.out.print(n + " "));
System.out.println("\n");

sl
    .stream()
    .filter((s) -> s.startsWith("a"))
    .forEach(System.out::println);

Result

Console

abaa

a b aa 

a
aa

Bytecode

Compiled from "RunnContainer.java"
public class io.jpad.scratch.RunnContainer {
  public io.jpad.scratch.RunnContainer();
    Code:
       0: aload_0
       1: invokespecial #1                  // Method java/lang/Object."<init>":()V
       4: return

  public static void main(java.lang.String...) throws java.lang.Exception;
    Code:
       0: iconst_3
       1: anewarray     #2                  // class java/lang/String
       4: dup
       5: iconst_0
       6: ldc           #3                  // String a
       8: aastore
       9: dup
      10: iconst_1
      11: ldc           #4                  // String b
      13: aastore
      14: dup
      15: iconst_2
      16: ldc           #5                  // String aa
      18: aastore
      19: invokestatic  #6                  // Method java/util/Arrays.asList:([Ljava/lang/Object;)Ljava/util/List;
      22: astore_1
      23: aload_1
      24: getstatic     #7                  // Field java/lang/System.out:Ljava/io/PrintStream;
      27: dup
      28: invokevirtual #8                  // Method java/lang/Object.getClass:()Ljava/lang/Class;
      31: pop
      32: invokedynamic #9,  0              // InvokeDynamic #0:accept:(Ljava/io/PrintStream;)Ljava/util/function/Consumer;
      37: invokeinterface #10,  2           // InterfaceMethod java/util/List.forEach:(Ljava/util/function/Consumer;)V
      42: getstatic     #7                  // Field java/lang/System.out:Ljava/io/PrintStream;
      45: ldc           #11                 // String \n
      47: invokevirtual #12                 // Method java/io/PrintStream.println:(Ljava/lang/String;)V
      50: aload_1
      51: invokedynamic #13,  0             // InvokeDynamic #1:accept:()Ljava/util/function/Consumer;
      56: invokeinterface #10,  2           // InterfaceMethod java/util/List.forEach:(Ljava/util/function/Consumer;)V
      61: getstatic     #7                  // Field java/lang/System.out:Ljava/io/PrintStream;
      64: ldc           #11                 // String \n
      66: invokevirtual #12                 // Method java/io/PrintStream.println:(Ljava/lang/String;)V
      69: aload_1
      70: invokeinterface #14,  1           // InterfaceMethod java/util/List.stream:()Ljava/util/stream/Stream;
      75: invokedynamic #15,  0             // InvokeDynamic #2:test:()Ljava/util/function/Predicate;
      80: invokeinterface #16,  2           // InterfaceMethod java/util/stream/Stream.filter:(Ljava/util/function/Predicate;)Ljava/util/stream/Stream;
      85: getstatic     #7                  // Field java/lang/System.out:Ljava/io/PrintStream;
      88: dup
      89: invokevirtual #8                  // Method java/lang/Object.getClass:()Ljava/lang/Class;
      92: pop
      93: invokedynamic #17,  0             // InvokeDynamic #3:accept:(Ljava/io/PrintStream;)Ljava/util/function/Consumer;
      98: invokeinterface #18,  2           // InterfaceMethod java/util/stream/Stream.forEach:(Ljava/util/function/Consumer;)V
     103: return

  private static boolean lambda$main$1(java.lang.String);
    Code:
       0: aload_0
       1: ldc           #3                  // String a
       3: invokevirtual #19                 // Method java/lang/String.startsWith:(Ljava/lang/String;)Z
       6: ireturn

  private static void lambda$main$0(java.lang.String);
    Code:
       0: getstatic     #7                  // Field java/lang/System.out:Ljava/io/PrintStream;
       3: new           #20                 // class java/lang/StringBuilder
       6: dup
       7: invokespecial #21                 // Method java/lang/StringBuilder."<init>":()V
      10: aload_0
      11: invokevirtual #22                 // Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
      14: ldc           #23                 // String
      16: invokevirtual #22                 // Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
      19: invokevirtual #24                 // Method java/lang/StringBuilder.toString:()Ljava/lang/String;
      22: invokevirtual #25                 // Method java/io/PrintStream.print:(Ljava/lang/String;)V
      25: return
}

Jpad Version:1.07

viewCount:2172

Creator: vp

Latest Editor: vp

new 3

Code

Result

Console

Bytecode

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