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-rw-r--r--sem5/oop/m2/Opg1/.classpath10
-rw-r--r--sem5/oop/m2/Opg1/.gitignore1
-rw-r--r--sem5/oop/m2/Opg1/.project17
-rw-r--r--sem5/oop/m2/Opg1/hej.txt10
-rw-r--r--sem5/oop/m2/Opg1/src/Main.java38
-rw-r--r--sem5/oop/m2/opg2/.classpath6
-rw-r--r--sem5/oop/m2/opg2/.gitignore1
-rw-r--r--sem5/oop/m2/opg2/.project17
-rw-r--r--sem5/oop/m2/opg2/hej.txt10
-rw-r--r--sem5/oop/m2/opg2/src/Lines.java71
-rw-r--r--sem5/oop/m2/opg2/src/LoadException.java16
-rw-r--r--sem5/oop/m2/opg2/src/Main.java23
-rw-r--r--sem5/oop/m2/primes/.classpath6
-rw-r--r--sem5/oop/m2/primes/.gitignore1
-rw-r--r--sem5/oop/m2/primes/.project17
-rw-r--r--sem5/oop/m2/primes/src/Main.java32
-rw-r--r--sem5/oop/m2/primes/src/PrimeGen.java40
17 files changed, 316 insertions, 0 deletions
diff --git a/sem5/oop/m2/Opg1/.classpath b/sem5/oop/m2/Opg1/.classpath
new file mode 100644
index 0000000..adeb0a3
--- /dev/null
+++ b/sem5/oop/m2/Opg1/.classpath
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+ <classpathentry kind="src" path="src"/>
+ <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER">
+ <attributes>
+ <attribute name="module" value="true"/>
+ </attributes>
+ </classpathentry>
+ <classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/sem5/oop/m2/Opg1/.gitignore b/sem5/oop/m2/Opg1/.gitignore
new file mode 100644
index 0000000..ae3c172
--- /dev/null
+++ b/sem5/oop/m2/Opg1/.gitignore
@@ -0,0 +1 @@
+/bin/
diff --git a/sem5/oop/m2/Opg1/.project b/sem5/oop/m2/Opg1/.project
new file mode 100644
index 0000000..1b0d3fd
--- /dev/null
+++ b/sem5/oop/m2/Opg1/.project
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+ <name>Opg1</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>
diff --git a/sem5/oop/m2/Opg1/hej.txt b/sem5/oop/m2/Opg1/hej.txt
new file mode 100644
index 0000000..d8c6033
--- /dev/null
+++ b/sem5/oop/m2/Opg1/hej.txt
@@ -0,0 +1,10 @@
+1 2 3 4 5 6 7 8 9 10
+11 12 13 14 15 16 17 18 19 20
+21 22 23 24 25 26 27 28 29 30
+31 32 33 34 35 36 37 38 39 40
+41 42 43 44 45 46 47 48 49 50
+51 52 53 54 55 56 57 58 59 60
+61 62 63 64 65 66 67 68 69 70
+71 72 73 74 75 76 77 78 79 80
+81 82 83 84 85 86 87 88 89 90
+91 92 93 94 95 96 97 98 99 100
diff --git a/sem5/oop/m2/Opg1/src/Main.java b/sem5/oop/m2/Opg1/src/Main.java
new file mode 100644
index 0000000..179e678
--- /dev/null
+++ b/sem5/oop/m2/Opg1/src/Main.java
@@ -0,0 +1,38 @@
+import java.io.FileWriter;
+import java.io.IOException;
+
+public class Main {
+
+ static void writeLines(String name) throws IOException{
+ FileWriter f = null;
+ try {
+ f = new FileWriter(name);
+
+ for (int i = 1; i <= 100; i++) {
+ f.write(String.format("%-3d ", i));
+ if (i % 10 == 0) {
+ f.write(System.lineSeparator());
+ }
+ }
+ } finally {
+ if (f != null) {
+ f.close();
+ }
+ }
+ }
+
+ public static void main(String[] args) {
+ String name = "hej.txt";
+ if (args.length > 0) {
+ name = args[0];
+ }
+
+ System.out.printf("Writing to %s%n", name);
+ try {
+ writeLines(name);
+ } catch(IOException e) {
+ System.err.printf("Failed with: %s%n", e);
+ }
+ }
+
+}
diff --git a/sem5/oop/m2/opg2/.classpath b/sem5/oop/m2/opg2/.classpath
new file mode 100644
index 0000000..fb50116
--- /dev/null
+++ b/sem5/oop/m2/opg2/.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>
diff --git a/sem5/oop/m2/opg2/.gitignore b/sem5/oop/m2/opg2/.gitignore
new file mode 100644
index 0000000..ae3c172
--- /dev/null
+++ b/sem5/oop/m2/opg2/.gitignore
@@ -0,0 +1 @@
+/bin/
diff --git a/sem5/oop/m2/opg2/.project b/sem5/oop/m2/opg2/.project
new file mode 100644
index 0000000..291ee0d
--- /dev/null
+++ b/sem5/oop/m2/opg2/.project
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+ <name>opg2</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>
diff --git a/sem5/oop/m2/opg2/hej.txt b/sem5/oop/m2/opg2/hej.txt
new file mode 100644
index 0000000..d8c6033
--- /dev/null
+++ b/sem5/oop/m2/opg2/hej.txt
@@ -0,0 +1,10 @@
+1 2 3 4 5 6 7 8 9 10
+11 12 13 14 15 16 17 18 19 20
+21 22 23 24 25 26 27 28 29 30
+31 32 33 34 35 36 37 38 39 40
+41 42 43 44 45 46 47 48 49 50
+51 52 53 54 55 56 57 58 59 60
+61 62 63 64 65 66 67 68 69 70
+71 72 73 74 75 76 77 78 79 80
+81 82 83 84 85 86 87 88 89 90
+91 92 93 94 95 96 97 98 99 100
diff --git a/sem5/oop/m2/opg2/src/Lines.java b/sem5/oop/m2/opg2/src/Lines.java
new file mode 100644
index 0000000..ed1f420
--- /dev/null
+++ b/sem5/oop/m2/opg2/src/Lines.java
@@ -0,0 +1,71 @@
+import java.util.ArrayList;
+import java.io.IOException;
+import java.io.EOFException;
+import java.io.FileReader;
+import java.io.BufferedReader;
+import java.util.Scanner;
+import java.io.PrintStream;
+
+public class Lines {
+
+ private ArrayList<int[]> lines;
+
+ public Lines(String loadpath) throws IOException, LoadException {
+ this.lines = new ArrayList<int[]>();
+ FileReader f = null;
+ BufferedReader buff = null;
+ try {
+ f = new FileReader(loadpath);
+ buff = new BufferedReader(f);
+
+ String line;
+ while((line = buff.readLine()) != null) {
+ this.readRow(line);
+ }
+
+ } finally {
+ if (f != null) {
+ f.close();
+ }
+ }
+ }
+
+ void readRow(String line) throws LoadException {
+ // you are a pirate
+ int[] arr = new int[10];
+
+
+ int i;
+ Scanner sc = null;
+ try {
+ sc = new Scanner(line);
+ for (i = 0; i < 10; i++) {
+ if (!sc.hasNextInt()) {
+ break;
+ }
+ int n = sc.nextInt();
+ // OPG 3
+ if (n > 90) {
+ throw new LoadException(n, "is above 90");
+ }
+ // OPG 4
+ //a assert (n <= 90) : "is above 90";
+ arr[i] = n;
+ }
+ } finally {
+ sc.close();
+ }
+ if (i > 0) {
+ lines.add(arr);
+ }
+ }
+
+ public void print(PrintStream out) {
+ for (int[] arr : this.lines) {
+ for (int i : arr) {
+ out.printf("%-3d ", i);
+ }
+ out.print(System.lineSeparator());
+ }
+ }
+}
diff --git a/sem5/oop/m2/opg2/src/LoadException.java b/sem5/oop/m2/opg2/src/LoadException.java
new file mode 100644
index 0000000..b6ea720
--- /dev/null
+++ b/sem5/oop/m2/opg2/src/LoadException.java
@@ -0,0 +1,16 @@
+
+public class LoadException extends Exception {
+
+ private int value;
+ private String msg;
+
+ public LoadException(int value, String msg) {
+ this.value = value;
+ this.msg = msg;
+ }
+
+ public String getMessage() {
+ return String.format("Invalid value %d (%s)", this.value, this.msg);
+ }
+
+}
diff --git a/sem5/oop/m2/opg2/src/Main.java b/sem5/oop/m2/opg2/src/Main.java
new file mode 100644
index 0000000..532bc72
--- /dev/null
+++ b/sem5/oop/m2/opg2/src/Main.java
@@ -0,0 +1,23 @@
+
+public class Main {
+
+ public static void main(String[] args) {
+ System.out.println("Get ready for cool stuff.");
+
+ String fname = "hej.txt";
+ if (args.length > 0) {
+ fname = args[0];
+ }
+
+ Lines l = null;
+ try {
+ l = new Lines(fname);
+ } catch (Exception e) {
+ System.err.printf("error: %s%n", e);
+ System.exit(1);
+ }
+
+ l.print(System.out);
+ }
+
+}
diff --git a/sem5/oop/m2/primes/.classpath b/sem5/oop/m2/primes/.classpath
new file mode 100644
index 0000000..fb50116
--- /dev/null
+++ b/sem5/oop/m2/primes/.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>
diff --git a/sem5/oop/m2/primes/.gitignore b/sem5/oop/m2/primes/.gitignore
new file mode 100644
index 0000000..ae3c172
--- /dev/null
+++ b/sem5/oop/m2/primes/.gitignore
@@ -0,0 +1 @@
+/bin/
diff --git a/sem5/oop/m2/primes/.project b/sem5/oop/m2/primes/.project
new file mode 100644
index 0000000..b2abcc1
--- /dev/null
+++ b/sem5/oop/m2/primes/.project
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+ <name>primes</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>
diff --git a/sem5/oop/m2/primes/src/Main.java b/sem5/oop/m2/primes/src/Main.java
new file mode 100644
index 0000000..e191835
--- /dev/null
+++ b/sem5/oop/m2/primes/src/Main.java
@@ -0,0 +1,32 @@
+
+public class Main {
+
+ public static void main(String[] args) {
+ System.out.println("Lets find some primes!!");
+
+ int runto = 10000;
+ if (args.length > 0) {
+ runto = Integer.parseInt(args[0]);
+ }
+
+ // Calculate length of runto as string
+ int numlen = String.valueOf(runto).length();
+
+ PrimeGen pg = new PrimeGen();
+
+ int p;
+ int index = 1;
+ while ((p = pg.next(runto)) != -1) {
+ // Terrible two level format
+ System.out.printf(String.format("%%-%dd ", numlen), p);
+ if (index % 10 == 0) {
+ System.out.print(System.lineSeparator());
+ }
+ index++;
+ }
+ System.out.print(System.lineSeparator());
+ System.out.printf("Found %d primes%n", index-1);
+
+ }
+
+}
diff --git a/sem5/oop/m2/primes/src/PrimeGen.java b/sem5/oop/m2/primes/src/PrimeGen.java
new file mode 100644
index 0000000..9c91645
--- /dev/null
+++ b/sem5/oop/m2/primes/src/PrimeGen.java
@@ -0,0 +1,40 @@
+import java.io.PrintStream;
+import java.util.ArrayList;
+
+public class PrimeGen {
+
+ private ArrayList<Integer> primes;
+ private int at;
+
+ public PrimeGen() {
+ this.primes = new ArrayList<>();
+
+ this.at = 1;
+ }
+
+ public int next(int limit) {
+ // Run until a prime
+ primeloop:
+ while (true) {
+ this.at++;
+ if (this.at >= limit) {
+ return -1;
+ }
+
+ for (int prime : this.primes) {
+ if (this.at % prime == 0) {
+ continue primeloop;
+ }
+ }
+ break;
+ }
+
+ this.primes.add(at);
+ return at;
+ }
+
+ public int next() {
+ return next(-1);
+ }
+
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-27 07:28:30 +0000