Labels, continue und break

Switch-Anweisungen

src/org/eidecker/oca8lernen/general/EnumSyntax.java

@@ -0,0 +1,7 @@
+package org.eidecker.oca8lernen.general;
+
+public class EnumSyntax {
+
+	// Todo SeEi
+
+}

src/org/eidecker/oca8lernen/general/ExceptionHierarchy.java

@@ -0,0 +1,7 @@
+package org.eidecker.oca8lernen.general;
+
+public class ExceptionHierarchy {
+
+	// Todo SeEi
+
+}

src/org/eidecker/oca8lernen/general/LabelContinueUndBreak.java

@@ -0,0 +1,101 @@
+package org.eidecker.oca8lernen.general;
+
+import com.sun.xml.internal.ws.api.model.wsdl.WSDLOutput;
+import org.junit.jupiter.api.Test;
+
+public class LabelContinueUndBreak {
+
+	private String i;
+	// Todo SeEi
+
+	@Test
+	public void testContinue() {
+		int i = 1;
+		while(i < 5) {
+			System.out.println("while" + i);
+			i++;
+			continue;
+		}
+
+		int j = 1;
+
+		do {
+			System.out.println("do" + j);
+			j++;
+			continue;
+		} while (j < 5);
+
+		for (int k = 1; k < 5; k++) {
+			System.out.println("for" + k);
+			continue;
+		}
+
+	}
+
+
+	@Test
+	public void testBreak() {
+		int i = 1;
+		while(i < 5) {
+			System.out.println("while" + i);
+			i++;
+			continue;
+		}
+
+		int j = 1;
+
+		do {
+			System.out.println("do" + j);
+			j++;
+			continue;
+		} while (j < 5);
+
+		for (int k = 1; k < 5; k++) {
+			System.out.println("for" + k);
+			break;
+		}
+
+	}
+
+	@Test
+	public void testVerschachtelteSchleifen() {
+		for (boolean b = false, c = false; b == false;) {
+			System.out.println("Outer oben");
+			for (; c == false;) {
+				System.out.println("inner oben");
+				if (!b) {
+					b = true;
+					continue;
+				}
+				if (b) break;
+				System.out.println("inner unten");
+			}
+			System.out.println("Outer unten");
+			b = true;
+		}
+	}
+
+	@Test
+	public void testLabel() {
+		außen:
+		for (int i = 1; i <= 10; i++) {
+			System.out.println("Outer oben " + i);
+			innen:
+			for (int j = 1; j <= 2; j++) {
+				continue außen;
+				// break außen;
+//				System.out.println("inner oben " + j);
+//				if (i > 2) {
+//					break innen;
+//				} else if (i > 4) {
+//					System.out.println("Break außen");
+//					break außen;
+//				}
+//				System.out.println("inner unten " +  j);
+			}
+			System.out.println("Outer unten " + i);
+		}
+		System.out.println("Nach außen");
+	}
+
+}

src/org/eidecker/oca8lernen/general/SwitchSyntax.java

@@ -0,0 +1,53 @@
+package org.eidecker.oca8lernen.general;
+
+import org.junit.jupiter.api.Test;
+
+public class SwitchSyntax {
+
+	@Test
+	public void switchSyntax() {
+
+		Integer i = 1;
+
+		switch(getSwitchBEdingung()) {
+			case 1:
+				System.out.println("1");
+			default:
+				System.out.println("default");
+		}
+	}
+	// Todo SeEi
+
+	@Test
+	public void switchString() {
+		switch (getString()) {
+
+			case "Hallo":
+				System.out.println("Hallo");
+			default:
+				System.out.println("default");
+			case "Eins":
+				System.out.println("Eins");
+		}
+	}
+
+	@Test
+	public void switchEmptyAndDefaultOnly() {
+		switch (getString()) {
+			default:
+				System.out.println("default only");
+		}
+
+		switch (getString()) {
+		}
+
+	}
+
+	private Integer getSwitchBEdingung() {
+		return new Integer(1);
+	}
+
+	private String getString() {
+		return "Eins";
+	}
+}