From 7e42d822cf647a90586c45a7b2f5c649f8f81cb9 Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=A9r=C3=B4me=20Benoit?= <jerome.benoit@piment-noir.org>
Date: Tue, 6 Mar 2018 15:17:30 +0100
Subject: [PATCH] Add exo1 code.
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Signed-off-by: Jérôme Benoit <jerome.benoit@piment-noir.org>
---
 TD1/exo2/ExThread.java | 28 +++++++++++++
 TD1/exo2/Main.java     | 25 ++++++++++++
 TD1/exo2/Makefile      | 90 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 143 insertions(+)
 create mode 100644 TD1/exo2/ExThread.java
 create mode 100644 TD1/exo2/Main.java
 create mode 100644 TD1/exo2/Makefile

diff --git a/TD1/exo2/ExThread.java b/TD1/exo2/ExThread.java
new file mode 100644
index 0000000..387ea8d
--- /dev/null
+++ b/TD1/exo2/ExThread.java
@@ -0,0 +1,28 @@
+import java.util.Random;
+
+public class ExThread implements Runnable {
+    String threadName;
+
+    ExThread(String name) {
+        setName(name);
+    }
+
+    public void setName(String name) {
+        Thread.currentThread().setName(name);
+    }
+
+    public void run() {
+        for (int j = 0; j < 10; j++) {
+            Random rand = new Random();
+            int sleep_time = rand.nextInt(201);
+            try {
+                Thread.sleep(sleep_time);
+            }
+            catch(InterruptedException e) {
+                // this part is executed when an exception (in this example InterruptedException) occurs
+            }
+            String threadName = Thread.currentThread().getName();
+            System.out.println(threadName + " has sleept for " + sleep_time + " ms for the " + (j + 1) + " times");
+        }
+    }
+}
diff --git a/TD1/exo2/Main.java b/TD1/exo2/Main.java
new file mode 100644
index 0000000..d28e6b3
--- /dev/null
+++ b/TD1/exo2/Main.java
@@ -0,0 +1,25 @@
+class Main {
+
+     public static void main(String[] args) {
+         final int THREADS_NUMBER = 3;
+         ExThread threadArray[] = new ExThread[THREADS_NUMBER];
+         Thread t[] = new Thread[THREADS_NUMBER];
+
+         for (int i = 0; i < threadArray.length; i++) {
+             threadArray[i] = new ExThread(String.valueOf(i));
+             t[i] = new Thread(threadArray[i]);
+             t[i].start();
+         }
+
+         for (int i = 0; i < threadArray.length; i++) {
+            try {
+                t[i].join();
+            }
+            catch (InterruptedException e) {
+             // this part is executed when an exception (in this example InterruptedException) occurs
+            }
+        }
+        System.out.println("Threads execution finished");
+    }
+
+}
diff --git a/TD1/exo2/Makefile b/TD1/exo2/Makefile
new file mode 100644
index 0000000..e589d5d
--- /dev/null
+++ b/TD1/exo2/Makefile
@@ -0,0 +1,90 @@
+# define compiler and compiler flag variables
+# define a variable for compiler flags (JFLAGS)
+# define a variable for the compiler (JC)
+# define a variable for the Java Virtual Machine (JVM)
+
+JFLAGS = -g
+JC = javac
+JVM = java
+
+#
+# Clear any default targets for building .class files from .java files; we
+# will provide our own target entry to do this in this makefile.
+# make has a set of default targets for different suffixes (like .c.o)
+# Currently, clearing the default for .java.class is not necessary since
+# make does not have a definition for this target, but later versions of
+# make may, so it doesn't hurt to make sure that we clear any default
+# definitions for these
+#
+
+.SUFFIXES: .java .class
+
+
+#
+# Here is our target entry for creating .class files from .java files
+# This is a target entry that uses the suffix rule syntax:
+#	DSTS:
+#		rule
+# DSTS (Dependency Suffix     Target Suffix)
+# 'TS' is the suffix of the target file, 'DS' is the suffix of the dependency
+#  file, and 'rule'  is the rule for building a target
+# '$*' is a built-in macro that gets the basename of the current target
+# Remember that there must be a < tab > before the command line ('rule')
+#
+
+.java.class:
+	$(JC) $(JFLAGS) $*.java
+
+
+#
+# CLASSES is a macro consisting of N words (one for each java source file)
+# When a single line is too long, use \<return> to split lines that then will be
+# considered as a single line. For example:
+# NAME = Camilo \
+         Juan
+# is understood as
+# NAME = Camilo        Juan
+
+CLASSES = \
+		ExThread.java \
+		Main.java
+
+#
+# MAIN is a variable with the name of the file containing the main method
+#
+
+MAIN = Main
+
+#
+# the default make target entry
+# for this example it is the target classes
+
+default: classes
+
+
+# Next line is a target dependency line
+# This target entry uses Suffix Replacement within a macro:
+# $(macroname:string1=string2)
+# In the words in the macro named 'macroname' replace 'string1' with 'string2'
+# Below we are replacing the suffix .java of all words in the macro CLASSES
+# with the .class suffix
+#
+
+classes: $(CLASSES:.java=.class)
+
+
+# Next two lines contain a target for running the program
+# Remember the tab in the second line.
+# $(JMV) y $(MAIN) are replaced by their values
+
+run: $(MAIN).class
+	$(JVM) $(MAIN)
+
+# this line is to remove all unneeded files from
+# the directory when we are finished executing(saves space)
+# and "cleans up" the directory of unneeded .class files
+# RM is a predefined macro in make (RM = rm -f)
+#
+
+clean:
+	$(RM) *.class
-- 
2.34.1