Display type arguments of method parameters in method completion

Fixes #1629

Signed-off-by: David Thompson <[email protected]>

Author: datho7561

org.eclipse.jdt.core.javac/src/org/eclipse/jdt/internal/SignatureUtils.java

@@ -187,7 +187,8 @@ public static char[] getSignatureChar(IMethod method) {
 	public static String getSignatureForMethodKey(String key) {
 		String fullKey = key
 				.replace('/', '.')
-				.replace("<+Ljava.lang.Object;>", "<*>");
+				.replace("<+Ljava.lang.Object;>", "<*>")
+				.replace("<>;",  ";");
 		String removeName = fullKey.substring(fullKey.indexOf('('));
 		int firstException = removeName.indexOf('|');
 		String exceptionRemoved;

org.eclipse.jdt.core.javac/src/org/eclipse/jdt/internal/javac/dom/JavacMethodBinding.java

@@ -460,7 +460,7 @@ static void getKey(StringBuilder builder, MethodSymbol methodSymbol, MethodType
 			builder.append('(');
 			if (methodType != null) {
 				for (var param : methodType.getParameterTypes()) {
-					JavacTypeBinding.getKey(builder, param, false, false, true, resolver);
+					JavacTypeBinding.getKey(builder, param, false, true, true, resolver);
 				}
 			} else {
 				for (var param : methodSymbol.getParameters()) {