//An ImageButton for example: ImageButton btn = findViewById(R.id.viewID); btn.setVisibility(View.INVISIBLE); // or... btn.setVisibility(View.GONE); // or... btn.setVisibility(View.VISIBLE);
Here is what the above code is Doing:
1. Find the view by its ID.
2. Set the visibility of the view to either INVISIBLE, GONE, or VISIBLE.
List list = Arrays.asList(“foo”, “bar”); or in Java 9 List list = List.of(“foo”, “bar”, “baz”); Here is what the above code is Doing: 1. The first line creates a list of strings. 2. The second line creates a list of strings. 3. The third line creates a list of strings.
DBObject query; query = new BasicDBObject(“fields_name”, new BasicDBObject(“$exists”, true)); DBCursor result = collection.find(query); Here is what the above code is Doing: 1. Create a new instance of BasicDBObject 2. Set the key to “fields_name” and the value to a new instance of BasicDBObject 3. Set the key to “$exists” and the value to true 4….
pipeline { agent any stages { stage (“first”) { tools { jdk “jdk-1.8.101” } steps { sh ‘java -version’ } } stage(“second”){ tools { jdk “jdk-1.8.152” } steps{ sh ‘java -version’ } } } } Here is what the above code is Doing: 1. The first stage is using jdk-1.8.101 2. The second stage is…
dependencies { implementation ‘com.github.bumptech.glide:glide:4.12.0’ annotationProcessor ‘com.github.bumptech.glide:compiler:4.12.0’ } Here is what the above code is Doing: 1. Add the Glide dependency to your app/build.gradle file. 2. Add the annotationProcessor dependency to your app/build.gradle file. 3. Sync your project with Gradle files.
int startInt = 123; // Start Integer Object objectInt = startInt; // Convert Integer to object if(objectInt instanceof Integer) { // Check if object is Integer int endInt = (int) objectInt; // Convert object to Integer } Here is what the above code is Doing: 1. We create an Integer variable called startInt and assign…
for (int i=0; i