Old Exam studying stuff

Test Project/src/main/java/com/mycompany/mavenproject1/BitwiseOR.java

@@ -0,0 +1,20 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package com.mycompany.mavenproject1;
+
+/**
+ *
+ * @author caleb
+ */
+public class BitwiseOR {
+
+    public static void main(String[] args) {
+        int x = 1;
+        int y = 5;
+        while (y-- > 0 ^ x++ < 100);
+        System.out.println(++x);
+
+    }
+}

Test Project/src/main/java/com/mycompany/mavenproject1/ByteOverFlow.java

@@ -13,6 +13,6 @@ public class ByteOverFlow {
     {
         byte b = 127;
         b++;
-        System.out.println(b);
+        System.out.println(b);
     }
 }

Test Project/src/main/java/com/mycompany/mavenproject1/Loop12.java

@@ -9,11 +9,14 @@ package com.mycompany.mavenproject1;
  * @author caleb
  */
 public class Loop12 {
-    public static void main(String[] args)
-    {
-        for (int i = 0; i < 6; i++)
-    for (int j = 0; j < i; j += 2)
-       System.out.println("java");
+
+    public static void main(String[] args) {
+        int lol = 0;
+        for (int i = 0; i < 6; i++) {
+            for (int j = 0; j < i; j += 2) {
+                System.out.println("java" + ++lol);
+            }
+        }
 
     }
 }

Test Project/src/main/java/com/mycompany/mavenproject1/MathRounding.java

@@ -0,0 +1,34 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package com.mycompany.mavenproject1;
+
+import java.util.Scanner;
+
+/**
+ *
+ * @author caleb
+ */
+public class MathRounding {
+    public static void main(String[] args) {
+        Scanner scan = new Scanner(System.in);
+        
+        double toRound = 1;
+        
+        while (toRound != 0)
+        {
+        System.out.println("Time to find out what this shit does: (hit 0 to fuck off) ");
+        toRound = scan.nextDouble();
+        
+        if (toRound == 0)
+            break;
+        
+        System.out.println("Math.rint gives you " + Math.rint(toRound));
+        System.out.println("Math.ceil gives you " + Math.ceil(toRound));
+        System.out.println("Math.round gives you " + Math.round(toRound));
+        System.out.println("Math.floor gives you " + Math.floor(toRound));
+        }
+        System.out.println("Goodbye!");
+    }
+}

Test Project/src/main/java/com/mycompany/mavenproject1/NegativeChar.java

@@ -0,0 +1,16 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package com.mycompany.mavenproject1;
+
+/**
+ *
+ * @author caleb
+ */
+public class NegativeChar {
+    public static void main(String[] args) {
+        char lolChar = '\5';
+        System.out.println(lolChar);
+    }
+}

Test Project/src/main/java/com/mycompany/mavenproject1/Q20.java

@@ -0,0 +1,28 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package com.mycompany.mavenproject1;
+
+/**
+ *
+ * @author caleb
+ */
+public class Q20 {
+    public static void main(String[] args) {
+               int x = 0;
+        int y = 10;
+        while ( -x > -5)
+          {
+            while ( y % 5 == 0  )
+              {
+               
+                y -= 5;
+                if ( y < 0 )
+                    break;
+              }
+           x++;       
+          }  
+         System.out.println(x+y);
+    }
+}

Test Project/src/main/java/com/mycompany/mavenproject1/Rint.java

@@ -0,0 +1,16 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package com.mycompany.mavenproject1;
+
+/**
+ *
+ * @author caleb
+ */
+public class Rint {
+    public static void main(String[] args) {
+        System.out.println( Math.rint(5.5) );
+System.out.println( Math.rint(4.5) );
+    }
+}

Test Project/src/main/java/com/mycompany/mavenproject1/WeirdCharStuff.java

@@ -0,0 +1,16 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package com.mycompany.mavenproject1;
+
+/**
+ *
+ * @author caleb
+ */
+public class WeirdCharStuff {
+    public static void main(String[] args) {
+        char c = '2' + 2;
+        System.out.println((int) c + 4);
+    }
+}