From 17e4bc97f2a678cf216826dc8b15141effadb75e Mon Sep 17 00:00:00 2001 From: Sebastian Eidecker Date: Fri, 15 Nov 2019 22:21:23 +0100 Subject: [PATCH] Arrays --- .../oca8lernen/general/FunWithArrays.java | 35 +++++++++++++++++++ src/org/eidecker/oca8lernen/general/Loop.java | 20 +++++++++++ 2 files changed, 55 insertions(+) create mode 100644 src/org/eidecker/oca8lernen/general/FunWithArrays.java create mode 100644 src/org/eidecker/oca8lernen/general/Loop.java diff --git a/src/org/eidecker/oca8lernen/general/FunWithArrays.java b/src/org/eidecker/oca8lernen/general/FunWithArrays.java new file mode 100644 index 0000000..e289d1d --- /dev/null +++ b/src/org/eidecker/oca8lernen/general/FunWithArrays.java @@ -0,0 +1,35 @@ +package org.eidecker.oca8lernen.general; + +import org.junit.jupiter.api.Test; + +import java.util.ArrayList; +import java.util.LinkedList; +import java.util.List; + +public class FunWithArrays { + + @Test + public void testArrays() { + + int[] ints = new int[] {1, 3, 4, 6, 7}; + + List[] lists = {new ArrayList(), new ArrayList()}; + + ArrayList[] arrayLists = {new ArrayList(), new ArrayList()}; + + int [] one = {1,2,4}; + int [][] tow = {one}; + + int[][][][] strings = new int[3][3][][]; + strings[1][2] = new int[][]{{1},{2}}; + + System.out.println(strings[1][2].getClass().getName()); + + // lists = arrayLists; + + // arrayLists = (ArrayList[]) lists; + + arrayLists[0].size(); + + } +} diff --git a/src/org/eidecker/oca8lernen/general/Loop.java b/src/org/eidecker/oca8lernen/general/Loop.java new file mode 100644 index 0000000..93e8e6f --- /dev/null +++ b/src/org/eidecker/oca8lernen/general/Loop.java @@ -0,0 +1,20 @@ +package org.eidecker.oca8lernen.general; + +import org.junit.jupiter.api.Test; + +public class Loop { + + @Test + public void testLoops() { + int i = 1; + + /*do + System.out.println("Hallo"); + while(i == 1); + */ + + System.out.println("Hallo"); + while(true); + } + +}