Add byte to int conversion code

core-java-modules/core-java-numbers-conversions/src/main/java/com/baeldung/bytetoint/ByteToIntConversion.java

@@ -0,0 +1,25 @@
+package com.baeldung.bytetoint;
+
+public class ByteToIntConversion {
+    static int usingTypeCasting(byte b){
+        int i = b;
+        return i;
+    }
+
+    static int usingIntegerValueOf(byte b){
+        return Integer.valueOf(b);
+    }
+
+    static int usingByteIntValue(byte b){
+        Byte byteObj = new Byte(b);
+        return byteObj.intValue();
+    }
+
+    static int usingMathToIntExact(byte b){
+        return Math.toIntExact(b);
+    }
+
+    static int usingByteUnsignedInt(byte b){
+        return Byte.toUnsignedInt(b);
+    }
+}