If you overuse the static import feature, it can make your program unreadable and unmaintainable, polluting its namespace with all the static members you import. Readers of your code (including you, a few months after you wrote it) will not know which class a static member comes from (Sun 1.5 Language Guide). TooManyStaticImports (Priority: 3, Ruleset: Code Style) https://docs.pmd-code.org/pmd-doc-7.0.0/pmd_rules_java_codestyle.html#toomanystaticimports

Reports import statements that can be removed. They are either unused, duplicated, or the members they import are already implicitly in scope, because they're in java.lang, or the current package. UnnecessaryImport (Priority: 4, Ruleset: Code Style) https://docs.pmd-code.org/pmd-doc-7.0.0/pmd_rules_java_codestyle.html#unnecessaryimport

Reports import statements that can be removed. They are either unused, duplicated, or the members they import are already implicitly in scope, because they're in java.lang, or the current package. UnnecessaryImport (Priority: 4, Ruleset: Code Style) https://docs.pmd-code.org/pmd-doc-7.0.0/pmd_rules_java_codestyle.html#unnecessaryimport

Reports import statements that can be removed. They are either unused, duplicated, or the members they import are already implicitly in scope, because they're in java.lang, or the current package. UnnecessaryImport (Priority: 4, Ruleset: Code Style) https://docs.pmd-code.org/pmd-doc-7.0.0/pmd_rules_java_codestyle.html#unnecessaryimport

Reports import statements that can be removed. They are either unused, duplicated, or the members they import are already implicitly in scope, because they're in java.lang, or the current package. UnnecessaryImport (Priority: 4, Ruleset: Code Style) https://docs.pmd-code.org/pmd-doc-7.0.0/pmd_rules_java_codestyle.html#unnecessaryimport

Reports import statements that can be removed. They are either unused, duplicated, or the members they import are already implicitly in scope, because they're in java.lang, or the current package. UnnecessaryImport (Priority: 4, Ruleset: Code Style) https://docs.pmd-code.org/pmd-doc-7.0.0/pmd_rules_java_codestyle.html#unnecessaryimport

Reports import statements that can be removed. They are either unused, duplicated, or the members they import are already implicitly in scope, because they're in java.lang, or the current package. UnnecessaryImport (Priority: 4, Ruleset: Code Style) https://docs.pmd-code.org/pmd-doc-7.0.0/pmd_rules_java_codestyle.html#unnecessaryimport

Reports import statements that can be removed. They are either unused, duplicated, or the members they import are already implicitly in scope, because they're in java.lang, or the current package. UnnecessaryImport (Priority: 4, Ruleset: Code Style) https://docs.pmd-code.org/pmd-doc-7.0.0/pmd_rules_java_codestyle.html#unnecessaryimport

Reports import statements that can be removed. They are either unused, duplicated, or the members they import are already implicitly in scope, because they're in java.lang, or the current package. UnnecessaryImport (Priority: 4, Ruleset: Code Style) https://docs.pmd-code.org/pmd-doc-7.0.0/pmd_rules_java_codestyle.html#unnecessaryimport