What's the output of this one?

@EclipseJavaIDE true, Both s1 and s2 will reference an object in internal pool of string constants

@EclipseJavaIDE true because of string pool

@EclipseJavaIDE Answer is true. Due to string optimization, both these variables reference the same object.

@EclipseJavaIDE false. s1 and s2 are two different objects. s1 != s2

@EclipseJavaIDE False

@EclipseJavaIDE True

@EclipseJavaIDE Red true

@EclipseJavaIDE true

@EclipseJavaIDE True

@EclipseJavaIDE True

@EclipseJavaIDE True

@EclipseJavaIDE True

@EclipseJavaIDE true

@EclipseJavaIDE true

@EclipseJavaIDE true

@EclipseJavaIDE True

@EclipseJavaIDE true

@EclipseJavaIDE True, it's java String v talking about ☺

@EclipseJavaIDE True

@EclipseJavaIDE True

@EclipseJavaIDE False

@EclipseJavaIDE False.