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

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+package org.eidecker.oca8lernen.general;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+public class FinallyTest {
+
+	@Test
+	public void testFinally() {
+		int a = divZero(5);
+		assertEquals(5, a);
+	}
+
+
+	private int divZero(int a) {
+		try {
+			return a/0;
+		} catch (ArithmeticException e) {
+			return sideEffect();
+		} catch (Exception e) {
+			System.out.println("Exception vom Typ Exception gefangen");
+		} finally {
+			return 5;
+		}
+	}
+
+	@Test
+	public void exceptionBloecke() {
+
+		assertThrows(Exception.class, () -> {
+			try {
+				int a = 1/0;
+			} catch (ArithmeticException e) {
+				System.out.println("ArithmeticException gefangen");
+				throw new Exception();
+			} catch (Exception e) {
+				System.out.println("Exception vom Typ Exception gefangen");
+			} finally {
+				System.out.println("Finally");
+			}
+		});
+
+	}
+
+	private int sideEffect() {
+		System.out.println("Nur ein Seiteneffekt");
+		return 0;
+	}
+
+}