2 files changed, 33 insertions, 0 deletions
diff --git a/challenge-323/deadmarshal/java/Ch1.java b/challenge-323/deadmarshal/java/Ch1.java
new file mode 100644
index 0000000000..d83355c039
--- /dev/null
+++ b/challenge-323/deadmarshal/java/Ch1.java
@@ -0,0 +1,16 @@
+public class Ch1 {
+  public static void main(String[] args) {
+    System.out.println(increment_decrement(new String[]{"--x", "x++", "x++"}));
+    System.out.println(increment_decrement(new String[]{"x++", "++x", "x++"}));
+    System.out.println(increment_decrement(new String[]{"x++", "++x", "--x", "x--"}));
+  }
+
+  private static int increment_decrement(String[] arr) {
+    int x = 0;
+    for (String s : arr) {
+      if (s.contains("++")) x++;
+      else x--;
+    }
+    return x;
+  }
+}
diff --git a/challenge-323/deadmarshal/java/Ch2.java b/challenge-323/deadmarshal/java/Ch2.java
new file mode 100644
index 0000000000..b2208c1d23
--- /dev/null
+++ b/challenge-323/deadmarshal/java/Ch2.java
@@ -0,0 +1,17 @@
+public class Ch2 {
+  public static void main(String[] args) {
+    System.out.println(tax_amount(10, new int[][]{{3, 50}, {7, 10}, {12, 25}}));
+    System.out.println(tax_amount(2, new int[][]{{1, 0}, {4, 25}, {5, 50}}));
+    System.out.println(tax_amount(0, new int[][]{{2, 50}}));
+  }
+
+  private static double tax_amount(int income, int[][] taxes) {
+    int res = 0, prev = 0;
+    for (var e : taxes) {
+      res += Math.max(0, Math.min(income, e[0]) - prev) * e[1];
+      prev = e[0];
+    }
+    return res / 100.0;
+  }
+}
+