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When to use static block for static initialization?
static block is used for any technology to initialize static data member in dynamic way,or we can say for the dynamic initialization of static data member static block is being used..Because for non static data member initialization we have constructor but we do not have any place where we can dynamically initialize static data member
How to reduce the number of render blocking resources?
Decrease the total number of render blocking resources using techniques such as bundling (this also means fewer HTTP requests) Reduce the size of a resource via minification so that the page has fewer bytes to load As a rule of thumb, the browser treats everything it finds in the section of an HTML page as render blocking.
How often are static blocks executed in Java?
This code inside static block is executed only once: the first time the class is loaded into memory. For example, check output of following Java program. Also, static blocks are executed before constructors. For example, check output of following Java program.
Why is my CSS file blocking the rendering process?
The @import rule lets you import CSS from other stylesheets, but this causes the browser to process your CSS file more slowly because it also has to download the imported files. Until this takes place, the rendering process will be blocked.
What happens if first and second are not in a block?
If first and second weren’t in a block, they’d look like fields. If they were in a block without static in front of it, that would count as an instance initialization block instead of a static initialization block, so it would be executed once per constructed instance rather than once in total.
Which is an implicit static field in Java?
The Enum constants which are implicit static fields. This requires the Enum constructor and instance blocks, and instance initialization to occur first as well. static block and initialization of static fields in the order of occurrence.