week 1 done

.classpath

@@ -1,5 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="output" path="bin"/>
 </classpath>

.gitignore

@@ -21,4 +21,5 @@
 
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
-.direnv/
+.direnv/
+/bin/

Week1 Labs/.classpath

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

Week1 Labs/.gitignore

@@ -0,0 +1 @@
+/bin/

Week1 Labs/.project

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Week1 Labs</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

Week1 Labs/lab1/Hello/Hello.java

@@ -22,4 +22,4 @@ public static void main(String[] args) {
 
 
         }
-}
+}

Week1 Labs/lab2/Amazing/Amazing.java

@@ -2,19 +2,37 @@
 /**
  * A class to hold the declarations and Expressions 
  * 
- * @author (your name) 
- * @version (a version number or a date)
+ * @author (Zhang Peixun) 
+ * @version (2021.03.12)
  */
 public class Amazing
 {
    //Put your data type declarations below. Here is an example
+    float x = 2.5f;
+    float y = -1.5f;
+    int m = 18;
     int n = 4;
+    double quOne;
+    double quTwo;
+    double quThree;
 
 
 //Put the code for your calculations in this method.   
    void doCalculations()
    {
-
+       quOne = x+n*y - (x+n)*y;
+       quTwo = m/n + m%n;
+       quThree = 5*x - n/5;
+       System.out.println(quOne);
+       System.out.println(quTwo);
+       System.out.println(quThree);
+       int x=5;
+
+       System.out.print(x--  + "  ");
+
+       System.out.print(x    + "  ");
+
+
 
    }//End of doCalculations
 }

Week1 Labs/lab2/Amazing/TestAmazing.java

@@ -2,7 +2,8 @@
 public class TestAmazing {
 
 	public static void main(String args[]) {
-
+		Amazing ans=new Amazing();
+		ans.doCalculations();
 
 	}
 

Week1 Labs/lab2/CinemaTicket/TestCinimaTicket.java

@@ -3,6 +3,8 @@ public class TestCinimaTicket {
 
 	public static void main(String[] args) {
 		// write your text code here
+		CinemaTicket discountt=new CinemaTicket();
+		discountt.calculatePrice();
 
 	}
 

Week1 Labs/lab2/Exciting/.classpath

@@ -1,6 +1,10 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
-	<classpathentry kind="src" path=""/>
-	<classpathentry kind="output" path=""/>
-</classpath>
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" path=""/>
+	<classpathentry kind="output" path=""/>
+</classpath>

Week1 Labs/lab2/Exciting/.project

@@ -14,15 +14,4 @@
 	<natures>
 		<nature>org.eclipse.jdt.core.javanature</nature>
 	</natures>
-	<filteredResources>
-		<filter>
-			<id>1615281143674</id>
-			<name></name>
-			<type>30</type>
-			<matcher>
-				<id>org.eclipse.core.resources.regexFilterMatcher</id>
-				<arguments>node_modules|.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
-			</matcher>
-		</filter>
-	</filteredResources>
 </projectDescription>

Week1 Labs/lab2/Exciting/.settings/org.eclipse.jdt.core.prefs

@@ -1,11 +1,14 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=11

Week1 Labs/lab2/Exciting/Exciting.java

@@ -9,9 +9,20 @@ public class Exciting
 {
     //Put your declarations for a) beneath here 
      double z ;
+     int count = 0;
+     float  cost = 3.45f;
+     char choice = 'X';
+     boolean goodChoice = true;
+     short lowest = 5;
+
 
     //Put your declarations and initialisations to b) beneath here 
-
+    int temp = 30;
+    int ball = 10;
+    float pup = 1.3f;
+    boolean finish = true;
+    boolean dis = true;
+    boolean alel = true;
 
    public void doit()
    {
@@ -22,14 +33,33 @@ public void doit()
 
    public void displayDetails() 
    {
+	   //display the details for the variables you declared in a)
 	   System.out.print("z= ");
 	   System.out.println (z);
-
-	   //display the details for the variables you declared in a)
-
-
-	   //display the details for the variables you declared in b)
+	   System.out.print("count= ");
+	   System.out.println (count);
+	   System.out.print("cost= ");
+	   System.out.println (cost);
+	   System.out.print("choice= ");
+	   System.out.println (choice);
+	   System.out.print("goodChoice= ");
+	   System.out.println (goodChoice);
+	   System.out.print("lowest= ");
+	   System.out.println (lowest);
 
+	   //display the details for the variables you declared in b)
+	   System.out.print("The temperature in a room.= ");
+	   System.out.println (temp);
+	   System.out.print("The number of the jackpot bonus ball.= ");
+	   System.out.println (ball);
+	   System.out.print("The population of China.= ");
+	   System.out.println (pup);
+	   System.out.print("To check whether a game is finished or not.= ");
+	   System.out.println (finish);
+	   System.out.print("To hold interplanetary distances.= ");
+	   System.out.println (dis);
+	   System.out.print("To hold an A-level grade.= ");
+	   System.out.println (alel);
 
    }
 

Week1 Labs/lab2/Exciting/TestExciting.java

@@ -4,10 +4,12 @@ public class TestExciting {
  public static void main (String args[]) {
 
 	 //after 1a) create an Exciting object, and display the details for the object
-
+	 Exciting  a=new Exciting();
+	 a.displayDetails();
 
 	//after 1b) create an Exciting object, and display the details for the object
-
+	 Exciting  b=new Exciting();
+	 b.displayDetails();
 
 
  }

Week1 Labs/lab2/LifeStyle/Person.java

@@ -2,17 +2,18 @@
 /**
  * To demonstrate boolean.
  * 
- * @author (your name) 
- * @version (a version number or a date)
+ * @author (Zhang Peixun) 
+ * @version (2021.03.12)
  */
 public class Person
 {
-	double cmHeight ;
-	double kgWeight;
-	boolean smoker = true;
-	int weeklyAlcholUnits = 50;
+	double cmHeight = 155 ;
+	double kgWeight = 50 ;
+	boolean smoker = false;
+	int weeklyAlcholUnits = 0;
 	final int RWAL = 21;   //RWAL - Recommended Weekly Alcohol Limit
-	int restPulse = 260;
+	int restPulse = 100;
+	char gender = 'F';
 
 
 	public void checkPulse()
@@ -34,7 +35,21 @@ public void checkForAbuse()
 
 	public void displayDetails()
 	{
-
+	   System.out.println(gender);
+	}
+
+	public void checkDesirability() 
+	{
+		boolean shape;
+		boolean smoker = true;
+		boolean abuser;
+		boolean desirable;
+		shape = ((kgWeight > 100) && (cmHeight < 150));
+	    abuser = ((weeklyAlcholUnits > RWAL) && (smoker) );
+		desirable = ((shape && abuser));
+		System.out.println(desirable);
+
+
 	}
 
 }

Week1 Labs/lab2/LifeStyle/TestPerson.java

@@ -3,6 +3,11 @@ public class TestPerson {
 
 	public static void main(String[] args) {
 		//create Person object here
+		Person pe=new Person();
+		pe.checkPulse();
+		pe.checkForAbuse();
+		pe.displayDetails();
+		pe.checkDesirability();
 
 	}
 

Week1 Labs/lab2/Logical/.classpath

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="src" path=""/>
+	<classpathentry kind="output" path=""/>
+</classpath>

Week1 Labs/lab2/Logical/.project

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Logical</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

Week1 Labs/lab2/Logical/BoolOp.java

@@ -0,0 +1,34 @@
+
+/**
+ * 
+ * @author (Zhang Peixun) 
+ * @version (2021.03.12)
+ */
+public class BoolOp
+{
+    //Put your data type declarations here - I have put bresult there to hold the results 
+    // of your calculations (see the Boolbag example)
+      boolean bresult;
+      boolean finished = false;
+      int  m = 3;
+      int  n = 8;
+
+
+/* Put the code for your calculations in this method.
+ * The result of the expression should be calculated and assigned to 'bresult'
+ */
+   public void a_boolOperation()
+   {
+	   bresult = (n > m) && (m < -2);
+	   System.out.println("( (n > m) && (m < -2) ) = " + bresult);
+
+	   bresult = (m > 5) || ! (finished);
+	   System.out.println("( (m > 5) || ! (finished) ) = " + bresult);
+
+
+	   bresult = !(n < 5) && !(finished);
+	   System.out.println("( !(n < 5) && !(finished) ) = " + bresult);
+   }
+
+
+}

Week1 Labs/lab2/Logical/TestBoolOp.java

@@ -0,0 +1,8 @@
+
+public class TestBoolOp {
+	public static void main (String args[]) {
+		BoolOp bo=new BoolOp();
+		bo.a_boolOperation();
+
+	}
+}