diff --git a/.settings/org.eclipse.jdt.core.prefs b/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 00000000..b080d2dd
--- /dev/null
+++ b/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,4 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.source=1.6
diff --git a/sample_client/.settings/org.eclipse.jdt.core.prefs b/sample_client/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 00000000..b080d2dd
--- /dev/null
+++ b/sample_client/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,4 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.source=1.6
diff --git a/tests/.settings/org.eclipse.jdt.core.prefs b/tests/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 00000000..b080d2dd
--- /dev/null
+++ b/tests/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,4 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.source=1.6