Arrays

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();
+
+	}
+}

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);
+	}
+
+}