优化字符串叠加

app/src/main/java/com/gh/common/util/StringUtils.java

@@ -6,19 +6,19 @@ package com.gh.common.util;
 
 public class StringUtils {
 
-    public static String buildString(String... var0) {
-        int var1 = 0;
+    public static String buildString(String... arrStr) {
+        int strCount = 0;
 
-        for(int var2 = 0; var2 < var0.length; ++var2) {
-            var1 += var0[var2] == null?0:var0[var2].length();
+        for(int i = 0; i < arrStr.length; ++i) {
+            strCount += arrStr[i] == null?0:arrStr[i].length();
         }
 
-        StringBuilder var4 = new StringBuilder(var1);
+        StringBuilder result = new StringBuilder(strCount);
 
-        for(int var3 = 0; var3 < var0.length; ++var3) {
-            var4.append(var0[var3]);
+        for(int j = 0; j < arrStr.length; ++j) {
+            result.append(arrStr[j]);
         }
 
-        return var4.toString();
+        return result.toString();
     }
 }