Bug 42328 assign parameter to new field should declare field final [quick assist]
When using the quick assist to assign to a new field from a constructor parameter it would be nice if the field created was final. The fields can be safely declared final around 99% of the time.
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/AssistQuickFixTest.java
String str= "i[]";
		AssistContext context= getCorrectionContext(cu, buf.toString().indexOf(str), 0);
		List proposals= collectAssists(context, false);
		
		assertNumberOfProposals(proposals, 1);
		assertCorrectLabels(proposals);
		
		CUCorrectionProposal proposal= (CUCorrectionProposal) proposals.get(0);
		String preview= getPreviewContent(proposal);
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E {\n");
		buf.append("    public void foo() {\n");
		buf.append("        int i[];\n");
		buf.append("        i = null;\n");
		buf.append("    }\n");
		buf.append("}\n");
		assertEqualString(preview, buf.toString());	
	}	
	
	public void testJoinDeclaration1() throws Exception {
		IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
		StringBuffer buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E {\n");
		buf.append("    public void foo() {\n");
		buf.append("        int var[];\n");
		buf.append("        var = null;\n");
		buf.append("    }\n");
		buf.append("}\n");