diff --git a/classpath/java/lang/Integer.java b/classpath/java/lang/Integer.java
index e524cc43c4..8ea8668ddc 100644
--- a/classpath/java/lang/Integer.java
+++ b/classpath/java/lang/Integer.java
@@ -62,6 +62,10 @@ public final class Integer extends Number implements Comparable<Integer> {
     return Long.toString(((long) v) & 0xFFFFFFFFL, 16);
   }
 
+  public static String toOctalString(int v) {
+    return Long.toString(((long) v) & 0xFFFFFFFFL, 8);
+  }
+
   public static String toBinaryString(int v) {
     return Long.toString(((long) v) & 0xFFFFFFFFL, 2);
   }
diff --git a/classpath/java/lang/Long.java b/classpath/java/lang/Long.java
index 033ca8b111..b7569951b7 100644
--- a/classpath/java/lang/Long.java
+++ b/classpath/java/lang/Long.java
@@ -94,6 +94,14 @@ public final class Long extends Number implements Comparable<Long> {
     return toString(v, 16);
   }
 
+  public static String toOctalString(long v) {
+    return toString(v, 8);
+  }
+
+  public static String toBinaryString(long v) {
+    return toString(v, 2);
+  }
+
   public byte byteValue() {
     return (byte) value;
   }