hide/truncate snippets

Author: Mcbencrafter

snippets/java/string-manipulation/mask-text.md

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+---
+title: Mask Text
+description: Masks portions of a string, leaving specific parts at the beginning and end visible while replacing the rest with a specified character
+author: Mcbencrafter
+tags: string,mask,hide
+---
+
+```java
+public static String partialMask(String text, int maskLengthStart, int maskLengthEnd, char mask) 
+    if (text == null)
+        return null;
+    
+    StringBuilder maskedText = new StringBuilder();
+    maskedText.append(text, 0, maskLengthStart);
+    
+    for (int currentChar = maskLengthStart; currentChar < text.length(); currentChar++) {
+        maskedText.append(mask);
+    }
+    maskedText.append(text, text.length() - maskLengthEnd, text.length());
+    return maskedText.toString();
+}
+
+// Usage:
+System.out.println(partialMask("1234567890", 4, 2, '*')); // "1234****90"
+```

snippets/java/string-manipulation/truncate-string.md

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+---
+title: Truncate String
+description: Truncates a string after a specified length (can also be used for hiding information)
+author: Mcbencrafter
+tags: string,truncate,mask,hide
+---
+
+```java
+public static String truncate(String text, int length, String suffix) {
+    if (text.length() <= length)
+        return text;
+    
+    return text.substring(0, length).trim() + (suffix != null ? suffix : "");
+}
+
+// Usage:
+System.out.println(truncate("hello world", 5, "...")); // "hello..."
+```