🚨 fix some 'code smells': lambda, indexOf, useless var assignment

- Make the anonymous inner class a lambda
- Replace "indexOf" with the overload that accepts an offset parameter.
- Remove the useless assignment to local variable "k".

app/src/main/java/math/ASCIIMathTeXImg.java

@@ -421,15 +421,10 @@ private static void aAMinitSymbols() {
 	}
 
 	private static void refreshSymbols() {
-		Collections.sort(aAMsymbols, new Comparator<Tupple>() {
-			public int compare(Tupple o1, Tupple o2) {
-				return o1.input.compareTo(o2.input);
-			}
-		});
+		Collections.sort(aAMsymbols, (o1, o2) -> o1.input.compareTo(o2.input));
 		aAMnames = new String[aAMsymbols.size()];
 		for (int i = 0; i < aAMsymbols.size(); i++)
 			aAMnames[i] = aAMsymbols.get(i).input;
-
 	}
 
 	private String aAMremoveCharsAndBlanks(String str, int n) {
@@ -521,7 +516,7 @@ private Tupple aAMgetSymbol(String str) {
 			st = slice(str, 0, k - 1);
 			tagst = "mn";
 		} else {
-			k = 2;
+			//k = 2;
 			st = slice(str, 0, 1); // take 1 character
 			tagst = (("A".compareTo(st) > 0 || st.compareTo("Z") > 0)
 					&& ("a".compareTo(st) > 0 || st.compareTo("z") > 0) ? "mo" : "mi");
@@ -658,7 +653,7 @@ else if (str.charAt(0) == '(')
 			else if (str.charAt(0) == '[')
 				i = str.indexOf("]");
 			else if (symbol == aAMquote)
-				i = str.substring(1).indexOf("\"") + 1;
+				i = str.indexOf("\"", 1);
 			else
 				i = 0;
 			if (i == -1)

docs/jacocoSummary.md

@@ -1,11 +1,11 @@
-|Type       |        Missed/Total|           Coverage|
-|:---       |                ---:|               ---:|
-|INSTRUCTION|(Not Changed)78/6213|(Not Changed)98.74%|
-|BRANCH     | (Not Changed)41/357|(Not Changed)88.52%|
-|LINE       | (Not Changed)11/415|(Not Changed)97.35%|
+|Type       |       Missed/Total|           Coverage|
+|:---       |               ---:|               ---:|
+|INSTRUCTION|~~78/6213~~ 78/6203|   ~~98.74~~ 98.74%|
+|BRANCH     |(Not Changed)41/357|(Not Changed)88.52%|
+|LINE       |  ~~11/415~~ 11/413|   ~~97.35~~ 97.34%|
 
 Class list with less coverage (Worst 5)
 
 |Class               |Instructions(C0)|  Branches(C1)|
 |:---                |            ---:|          ---:|
-|math.ASCIIMathTeXImg| 78/6080(98.72%)|41/357(88.52%)|
+|math.ASCIIMathTeXImg| 78/6079(98.72%)|41/357(88.52%)|