sixth commit

Chap6_Assertions/AssertIdentifier.java

@@ -0,0 +1,27 @@
+class AssertIdentifier{
+	public static void main(String[] args){
+		//int assert = 10;
+		//System.out.println(assert);
+
+		int x = 10;
+		;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+	//	assert(x>10):"Here x value should be greater than 10 but it's not";
+
+	// 	assert(x == 10):++x;
+
+	//	assert(x>10):methodOne();
+
+		assert(x>10): methodTwo();
+
+		;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+		System.out.println(x);
+	}
+
+/*	public static int methodOne(){
+		return 999;
+	}	*/
+
+	public static void methodTwo(){
+		System.out.println("void return type method not allowed");
+	}
+}

Chap6_Assertions/AssertInsidePrivate.java

@@ -0,0 +1,10 @@
+class AssertInsidePrivate{
+	private void stuff(int y){
+		assert(y<0);
+	}
+
+	public static void main(String[] args){
+		AssertInsidePrivate a = new AssertInsidePrivate();
+		a.stuff(10);
+	}
+}

Chap6_Assertions/AssertInsidePublic.java

@@ -0,0 +1,19 @@
+class AssertInsidePublic{
+	int z = 5;
+
+	public void stuff(int x){
+		//assert(x<0):"print assert"; -- inappropriate usage
+
+		switch(x){
+			case 2: x = 3;
+			default: assert(false);
+		}
+	}
+
+	public static void main(String[] args){
+		AssertInsidePublic p = new AssertInsidePublic();
+		p.stuff(10);
+	}
+}
+
+

Chap6_Assertions/Two.java

@@ -0,0 +1,14 @@
+class Two{
+	public static void main(String[] args){
+
+		boolean assertOn = false;
+		assert(assertOn):assertOn = true;
+		if(assertOn){
+			System.out.println("assert is on ");
+		}
+
+		//assert(false):"executes only when assert is false";
+
+		//assert(args.length == 1);
+	}
+}