modified balance a bit for other game mechanics, feedback?

Boss.java

@@ -7,12 +7,12 @@ public class Boss extends Monster
 {
     public Boss(){
         imageLoc = "monster-red.png";
-        health=1000;
-        dropTime = 50;
+        health=281; //four red fireballs and one 
+        dropTime = 40;
         damage=15;
-        speed=(float)0.5;
-        angularSpeed = 5;
-        range = 5;
+        speed=(float)0.005;
+        angularSpeed = 3;
+        range = 10;
     }
 
     /**

FBlue.java

@@ -8,7 +8,8 @@ public class FBlue extends Fireball
     public FBlue(float direction){
         super(direction);
         imageLoc = "fireball-blue.png";
-        damage = 70;
-        maxAge = 15;
+        damage = 49;
+        maxAge = 40;
+        speed = 3;
     }    
 }

FPurple.java

@@ -8,7 +8,8 @@ public class FPurple extends Fireball
     public FPurple(float direction){
         super(direction);
         imageLoc = "fireball-purple.png";
-        damage=90;
-        maxAge=100;
+        damage=49;
+        maxAge=25;
+        speed=5;
     }   
 }

FRed.java

@@ -8,7 +8,7 @@ public class FRed extends Fireball
     public FRed(float direction){
         super(direction);
         imageLoc = "fireball.png";
-        damage = 40;
+        damage = 70;
         maxAge = 90;
     }    
 }

Monster1.java

@@ -7,11 +7,11 @@ public class Monster1 extends Monster
 {
     public Monster1(){
         imageLoc = "monster-brown.png"; // choose image
-        health=300;
+        health=100;
         damage=10;
-        dropTime = 75;
+        dropTime = 150;
         angularSpeed = 2;
-        speed = (float)0.1;
+        speed = (float)0.05;
         range = 8;
     }
 

Monster2.java

@@ -6,7 +6,7 @@
 public class Monster2 extends Monster
 {
     public Monster2(){
-        health=300;
+        health=100;
         damage=1;
         speed=(float)0.8;
         angularSpeed=6;

Player.java

@@ -11,7 +11,7 @@ public Player(){
         damage=5;
         space=false;
         dropTime = 50;
-        speed=1;
+        speed=2;
         angularSpeed=3;
         imageLoc = "player.png"; // choose image
         visibleAlways = true; //players are visible by default

Welt.txt

@@ -6,13 +6,13 @@
 ooooooooo++++++++----++------+
 ooooooooo+-----------++---x--+
 ooooooooo+----------c+++++++++
-ooooooooo+#+++++++++#+
-oooooo++++#++++oooo+#+++++++
-oooooo+-------+oooo+-------+
-oooooo+-------+oooo+---x---+
-oooooo+-------+oooo+++++++++
-oooooo+---b---+
-oooooo+-------+
-oooooo+-------+
-oooooo+-------+
-oooooo+++++++++
+ooooooooo+-+++++++++#+
+++++++++++-++++oooo+#+++++++
++--------+----+oooo+-------+
++--------++++-+oooo+---x---+
++-------------+oooo+++++++++
++---b---------+
++-------------+
++-------------+
++-------------+
++++++++++++++++